# Pre- Calculus

21,911 results, page 21
1. ## pre-calc

for f(x)=2^x is f(x) an increasing function.?
2. ## pre alg.

what is 33 1/3 percent of 195
3. ## pre algebra

o.12 my answer is x=3/25 an i correct?
4. ## Math

Please someone help with my pre calc question!
5. ## pre algebra

how do you complete this problem -4x+7=11
6. ## pre cal

solve for x: x^(2/3)=(1/27) (2^(x)+4)/(2^x)=2 explain please
7. ## 9th Pre Algebra

I need help with exponents -n6 for n=2
8. ## Pre-Algebra

40,571 is x % of 76,550
9. ## Pre-Cal

Simplify e^3ln2-1
10. ## Pre-algebra

solve: 4(4-3x)+14x>32
11. ## pre algebra

-6r-5=7-12r I can up with r=-3. Is this correct?
12. ## pre cal

7tan^2(pheta)-2=3

14. ## Pre-Algebra

What's the square root of 9/16? Thanks.
15. ## pre algebra

10 is what percent of 200 20%
16. ## Pre-Cal

find the value of the function k(p/q)
17. ## pre-algebra

Find the y- intercept for x+y=5.

19. ## Pre-algebra

I am dealing with integers so, |-18|-|-8|???
20. ## pre-algebra

Which equation can you use to find the value of b? A.7+b+4=15 B. 1+5+b=15 C. b=2+4+15
21. ## pre calc

solve each inequality: (x-4)(x-2)^2(x-3)^2 < 0
22. ## Pre-calc

2x^2 - 12x - 3y^2 - 24y +60 = 0

17x-22x=1/2
24. ## pre-algebra

What percent of 125 is 72.9%?
25. ## Pre-Calc

How do I solve this equation? 4^x * (1/2)^3-2x = 8*(2^x)^2
26. ## Pre-algebra

Simplify the expression (8•5)•1
27. ## pre-algebra

41.772 is 70.8% of what number?
28. ## pre-algebra

what is the gcf of 54,144
29. ## Pre Cal

f(x) = log3(93 x + 3 815 x + 3)
30. ## Pre-calc

Focus of the ellipse 9x^2+2y^2=36
31. ## pre-algebra

what is \$200 plus 8% commission?

33. ## pre algebra

evaluate (m+n)-3 power if m=-1 and n=-5
34. ## Pre-calc

Project U onto V. U=(4,2) V=(1,-2) ?? Is there a formula for this?
35. ## Pre algebra math

How do I do 21 - y, explain
36. ## pre-algebra

y/8 +6= -10 i need help please. i don't understand it.
37. ## Pre-Cal.

f(x)=x^3-3x^2+x-12 =x^2(x-3)+4(x-3) =x^2+4) (x-3) so if f(x) = 0 at x = 3,+/- 2i. what is the f(x) factored form
38. ## Pre-algebra

\$1200 at 6% for 36 months
39. ## Math (Pre cal)

Can someone show me how to do this? let f(x)=x^2+3x-1 and g(x)=x^3+4x^2+1
40. ## Pre-calc

use either substitution or elimination 4/x-3/y=0 4y=3x
41. ## pre algebra

is 0.75 a rational numbre?
42. ## pre-cal

Find B so that F(x)=-x^2+bx-75 has a maximum value of 25.
43. ## Pre-algebra

What is -18 i rational form?
44. ## Pre-algebra

What is the distance between points A and E A.2.8 B.3.2 C.4.9 D.5.7
45. ## Pre-Calc

300=5000^e*.3x
46. ## pre algebra

solve the equation 78= -2(m+3)+ m
47. ## Pre Calc

solve the quation. t/3+t/5=1.
48. ## Pre-algebra

Suppose y=2x-2.5. Find x if y=10
49. ## pre-algebra

what percent of 400 is 20?
50. ## pre-algebra

x/4+2=1 show step
51. ## Pre Calc

Evaluate the quantity. 4 · P(4, 4) · C(9, 5)
52. ## Pre-Calc/Trig...

Assume f(x) = -2x + 8 and g(x) = 3x. What is the value of (f + g)(-1)?
53. ## pre algebra

0.85km/s= m/min
54. ## pre algebra

2.5x10^-5 equals what?
55. ## Pre-cal

Does the equation x^2+x-12/x+2 have holes?
56. ## pre calcalus

evaluate sec(1.7
57. ## pre-algebra

can I simplify -4w/4 <--anymore than that?
58. ## pre-cal

tan((theta/2)+(pi/6))=-1
59. ## pre algerbra

how do you solve 45 min/2 mi=?h/1 mi
60. ## Pre-calc/trig

5=log3(x^2+18)
61. ## pre-cal

(576^1/2+512^1/3)^1/3
62. ## math pre calc

solve for x. 8^6+3x=16

64. ## Pre Cal

cos^2+tan^2=1
65. ## Pre-Algebra

what is the solution for this problem? 1 + 1/1+ 1/x-1/1/1 – 1/x+1
66. ## Pre-Algebra

n(n-1)-4 How do I solve stuff like this?
67. ## Pre-Calc

for any two linear functions f(x)=ax+b and g(x)=cx+d, is f o g the same as g o f?
68. ## pre algebra

x2(xy3)2+y2(x2y2)2
69. ## pre calc

how do you put these in y=mx+b form 3x+5y=8 16-5x=2y
70. ## Pre algebra

X cubed-3xsquared-2x+15
71. ## pre algebra

\$29/kg = how many cents/ g???? im really confused
72. ## pre-algebra

solve 26-3*2 ____________ 4^4 + 3^4
73. ## pre algebra

w+9/14 greather than or equal to 5/14
74. ## Pre-Algebra

how do you read this &radic and what is the value of it?
75. ## Pre algebra

1. Find the degree of -5w^3 - 4w^2 + 7w + 16. -5 16***** 14 3
76. ## pre algebra

23/50 of 50 2/3 show steps please
77. ## pre- algebra 1

Solve the inequality. 42<-6d
78. ## pre al

how do you find surface area
79. ## pre-cal

find the distance d (P1 P2) between the P1 and P2 P1=(-1,1);P2=(1,2)
80. ## Pre- Algebra

What does the prefix centi- mean???

82. ## Math Pre Algebra

evaluate 5(14-2^3)+ 8/2 =
83. ## Pre Calc

for how many integers x is the value of -6/(x+1) an integer?
84. ## pre-cal

find the intercepts of y=2x-4

86. ## Pre-Cal

What is the domain of f/g? f(x) = x / x+1 g(x) = x^3 Please explain! Thank you
87. ## Pre Calc

#3.) The following states about f(x) are true: •
88. ## Pre-Agbra

what is 0.9 divided by 1000
89. ## Pre-Algerbra

Need answers to the following, 1. 1/2-2/3 2. -1/6-1/2 3. -1/2divided by 2 1/2
90. ## pre algebra

solve for h: A=1/2bh
91. ## Pre-Cal

Find f X g 3 sqrt of x+1 X x^3+1

93. ## pre algebra

Solve for P: I=prt
94. ## Pre-Algebra

Which expression is equivalent to 44 ⋅ 4−9? 4^13 4^5 1/4^13 1/4^5
95. ## pre algebra

1/4 my answer is 0.25 am i correct?
96. ## Pre-Algebra

Simplify: -2W+4R-W+-10R+6
97. ## Pre-Algebra

how do you read this &radic and what is the value of it?
98. ## Pre-Algebra

6y+8=-3y-28 Here is what I did 6y+8-8=-3y-28-8 6y=-3y+20 6y-(-3y)=-3y-(-3y)+20 3y/3 = 20/3 y=6.66666666667 what did I do wrong