# Math

posted by .

Describe the Transformations For Each Function

a)f(x)=3sin(1/2x+pi/2)+1

b)-1/3cos(2x-pi)-2

• Math -

how about if we start by saying

y-1 = 3sin((1/2)(x+pi))
and
y+2 = -1/3 cos(2(x - pi/2))

the shifts and scalings should now be clearer.

## Similar Questions

1. ### Transformations-Algebra

I need help with transformations. This is what my instructions say to do: Begin by graphing the standard absolute value function f(x)=|x|. Then use transformations of this graph to graphy the given function. 1. g(x)=|x|+3
2. ### Math - Trig Substitution

How can I solve the integral of x^3√(9-x^2) dx using trigonometric substitution?
3. ### Calculus

Find the derivative of y with respect to x: y=3sin^4(2-x)^-1 y=[3sin(2-x)^-1]^4 y'=4[3sin(2-x)^-1]^3 (-3cos(2-x)^-1)(-1) -(2-x)^-2 y'=[12cos(2-x)^-1][3sin^3(2-x)^-1][2-x]^2 but the answer does not have a 3 in front of sin. What happened …
4. ### Math

Can you help me with this? I did this many times and got different answers each time. Find f. f ''(x) = 3e^x + 3sin(x) f(0) = 0 f(π) = 0 My work: f ''(x) = 3e^x + 3sin(t) f'(x) = 3e^x - 3cos(t) + C f(x) = 3e^x -3sin(t) + Cx +
5. ### Math - Trigonometry

Sketch the curve represented by the parametric equations x=3cos¦È and y=3sin¦È for 0 ¡Ü ¦È ¡Ü ¦Ð?
6. ### math

Sketch the curve represented by the parametric equations x = 3cos and y = 3sin for 0    .
7. ### Trigonometry

How do you evaluate: 3cos^2â - 3sin^2â ?
8. ### math

determine the amplitude and period for each function: y=4sin x, y=2sin4x,y=-3sin2pi x, y=-3cos x, y=-3cos pi over 2 x
9. ### math

determine the amplitude, period, and phase shift of the following functions: y=3cos(2x-pi), y=3sin(2x-pi),y=-5sin(2x=pi over 2)
10. ### Calculus Question! ASAP!

Hello! I have this problem: x(dx)/sqrt(9-x^2) I was wondering why I can't use trig substitution and substitute sqrt(9-x^2) for sqrt(1-sec^2) and having: integral x = 3sin(theta) dx = 3cos(theta)d(theata) integral 3sin(theta)(3cos(theta))/3cos(theta) …

More Similar Questions