# PreCalc

614 results

### Precalc

Hello, good afternoon. I need help with my precalc hw. we are learning about finding zeros I don't which method I should use for this problem: if i is a zero of x^3+3x^2+ix+(4+i) what do i do? synthetic divison? or long division? when i did long division i got a werid ...

### precalc

D(x) = x^2+2x E(x) = -2/(5x-1) D/E=

### Precalc

C(x)={(x,y)|y=4x-5} D(x)=x^2+2x C(D)=

### Precalc

D(x)=x^2+2x h(x)=7 h(D)=

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G(x)=2x+7 H(x)=1/(x+2) 1) H(G(x))= J: y=-3x^2 2) J(H(x))= 3) J/H=

### PreCalc

2x^3+x^2-8x+3>0

### precalc

1. Solve |2x + 5|< 9

### PreCalc

please h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 4 8 7 4 9 0

### precalc

(4^x2)^2 mulipled by 1/(4^5x)=64

### Precalc

2^(x) = 0 what should x be to get 0?

### precalc

solve x/x^2-4 - 1/x+2=2

### PRECALC

6∑6(2^K-1) K=1

### MATH

WHAT IS PRECALC

### Math, Precalc

6*(9^(1/x))-13*(6^(1/x))+6*(4^(1/x))=0

### PreCalc

Solve for the variable m^2 + 2m +3 > = 0

### precalc

what is the domain and range of -4 + 3^(x+2)

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how do u do evaluateL cos135

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How do you graph abs(y)=x

### PreCalc

log base 5 (75)

### sophmore Precalc Please Help!!

(e^x + e^-x)/2=1

### precalc

find where f(x)<0 and f(x)>0 f(x)=xlnx-2x

### Precalc

How do adjM work?

### precalc

1/x is less than or equal to 4/x^3

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how to graph y=5sin[3[2-pi/6]]+2

### Precalc

how do I graph this function? x^2-xy+2x-1=0

### Precalc

how do you find x in 7-=log(x/10^-12)

### precalc

partial decomposition 12/x(x-2)(x+3)

### Precalc

j(x)=3/4x-1 j(?)=3 May someone please help me?

### precalc

domain of 16x^2+8x-1?

### precalc

log ______ = -2.3

### Math, Precalc

(3^x)+(5^{x+3})=(3^{x+4})-(1/3)*( 5^{x+2}). Solve

### PreCalc

How do i solve for the variable 3x= sqrt5x+1

### PreCalc

write in interval notation 2x^2 < or = 9x+5

### precalc

what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1

### precalc

Solve sinx+cosx=0 Thanks!

### precalc

how do u solve for this? sqrt(-10i+12)

### precalc

given e^x=1+x+x^2/2!+x^3/3!+... how do you prove that lim((e^(h)-1)/h)=1 as x->0

### PreCalc

How do you find the amplitude of y=7/8sin[(-8ð/5)x]

### Precalc

Can you simplify radical 253?

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Let f(x) be linear f(16)=-5 f(20)= -17 Find f(x) Calculate f(12)

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(3x)^2/(27^x2)=1 I have to find the solution

### PreCalc

Simplify the ratio of factorials. (n+2)!/(n-1)!

### precalc

find domain of f(x) = 15/sqrt(x+6)

### Precalc

(2^(x))(5)=10^(x) steps too please how to solve

### precalc

Find the equation of the parabola: x^(2)+4x = y-8

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solve the system of equations: x^(2)+y^(2) = 12 xy = -4

### precalc

How do you solve log5 sqrt125?

### Precalc

Find (-1+i)^1/3 list steps

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What is the directrix and focus of the equation 1/16(y+4)^2=x-3

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what is the directrix and focus of the equation 1/16(y+4)^2=x-3

### precalc

what is the directrix and focus of the equation 1/16(y+4)^2=x-3

### precalc!!!!!

Use long division : (a^3-b^3)/ (a-b)

### Precalc

Find a4 for the arithmetic series with s4=-36 and a1=9

### Math

Precalc (1+i)^3 and the cube root of 8i

### precalc

Find the focus and directrix of y=4x^2

### Precalc

Can someone show me how to simply this: (5x^3 y^-1 z^-5)^-3 (x^2 y^0 z^-6)^2

### precalc (check answer)

l(x)=3-x^2 l(x)=7 x=-2 am i correct?

### precalc

what is the cofunction and reciprocal of the cosecant?

### PreCalc

Let f (x) = x + 3. Find and simplify : f(a+h)−f(a) /h

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Sketch the graph of the function f(x) = (x+4)3(x+1)(x−2)2(x−5). /(x+3)2(x+1)(x−3)

### Precalc

if you have how do u do 2^2x - 2^x - 6 =0 (calc)how do u do it? using logs??

### precalc

Determine whether the equation is linear in x. 5-3x=0 5=10/2 x+3=x-5

### PreCalc

h t t p : / /w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 3 0 7 8 3 thats fair but can i ask why you do not perfer to use a formula?

### precalc

How do i verify: cotx = (sin2x)/(1-cos2x)

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Solve log subscript4 112 = x.

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f(x)=Log1/3^(9x)find the domain and range.

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Is sine an even or odd function?

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Find sec x if sin x = -0.6 and cos x = 0.8.

### Precalc

how to solve 5(2^(3x)) = 8 Steps too please answer is ln 1.6 / 3 ln 2

### Precalc

What is the degree of the following polynomial equation? (x+9)(x-5)(x+2)=0 1. 2 2. 3 3. 4 4. 5

### Precalc

What is the upper and lower bound of sin x+2

### Precalc

By appropriate calculations, show that: lim r(x)=5c^4 (x->c)

### Precalc

Evaluate Tan[(3pi-70000pi)/2]

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(cos3x)^4+(sin3x)^4=cos(g(x)) find g(x)

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(cos3x)^4+(sin3x)^4=cos(g(x)) find g(x)

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(cos3x)^4+(sin3x)^4=cos(g(x)) find g(x)

### Precalc

what is the inverse tangent of negative root3/3

### Math/precalc

What is the period and amplitude of y=3tan(2/3x-pi/6)? Thanks!

### precalc

how do you find x for the function: g(x) = 2^3(square root of X)-1

### Precalc

let f(x)= (x / (6x-36)) and g(x)= (1/(x-6)). find all numbers x, if any, such that f(x) < g(x)

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solve the equation cos(x) + sin(x) = 1

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verify the identity ((cosxcotx)/(1-sinx))-1=cscx

### Precalc: Logarithms

Solve for x? xln(x) + 1 > x + ln(x) e^1/x > 1 Any help would be appreciated. THANK YOU!

### Precalc

I don't know if i did this correctly is(x-1) a factor of 17x^10+16x^6+1 its no.. right?

### Precalc

how do u find the zeros of x^3+13x^2-16x+8? w/o a calc?

### Precalc.

solve the equation on the interval [0,2pi) sin^2x=1

### Precalc

I think it was skiped can you post resposne in this question h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 9 8 2 9 1 7 1

### Precalc

Find the vertex and focus of the parabola. (x^2)-(24y) = 0

### Precalc

There's f(x) = (2x+3)/(x+4) and g(x) = (4x-3)/(2-x) Solve for x in f(g(x)) I tried this but I could not end up with the answer being x

### Precalc

how to solve for x: 500e^(0.3x) = 600 Steps please.

### Precalc (complete the squares)

(2x+1)^2 +4=0 solve the equation. help please :(

### precalc

Use Sigma Notation to write the sum [10-(1/10)^2]+[10-(2/10)^2]+[10-(3/10)^2]+[10-(4/10)^2]

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solve 5^y=4^y+3.Round your answer to the nearest tenth.

### precalc

f(x) =pi/2-x g(x)= 5sinx/8+cos x find (gof)(pi/2) and (fof)(pi/2)

### Precalc-Factoring

I am so confused. How do I factor: 35x^2 - 46x + 15

### Precalc

Prove: sin2x*sinx/2cosx + cos^2 0 = 1

### Precalc

Solve the following equation for x in terms of ln and e. (2e^3)-6-(16e^-x)=0

### precalc

what is the value of cot 2π/5? how do i find the answer?

### precalc

Solve in radians. 1) sin2X = 1/2 2) tan2 (X + pi/2) = 1 3) 5 - 3sec (X - pi/4) = -1