Alg 2 U7 Test ReTake

The graph of  $y=x^3$  is graphed in blue. Which of the following equations could be equation of the function graphed in red?

•  $y=-5\left(x+2\right)^3-1$  

•  $y=5\left(x+2\right)^3-1$  

•  $y=-\frac{1}{5}\left(x+2\right)^3-1$  

•  $y=\frac{1}{5}\left(x+2\right)^3-1$  

What is the y-intercept of the following cubic function?

• (1, 0)

• (0, 2)

• (-1, 0)

• (2, 0)

Determine the roots of the polynomial. 
f(x) = (x+1)(x-4)(x+2)

• 1, 4, 2

• -1, -4, -2

• 1, -4, 2

• -1, 4, -2

Describe the transformation of the graph  y = -(x - 4)³ + 5

• Up 5 and Left 4 

• Reflect x-axis, Left 4, Up 5

• Reflect x-axis, Right 4, Up 5

• Right 4 and up 5

What is the Domain of ALL Cube Root Functions in interval notation?

• (−∞,∞)

• −∞<x<∞

• (−∞,0]

• All Cube Root Functions are different.

What is the range of ALL cubic functions expressed as an inequality?

• [-∞, ∞]

• (-∞,∞)

• -∞≤y≤∞

• -∞<y< ∞

What does it mean to find the inverse of a function?

• the x's and y's are switched

• the x's and y's are divided by 2

• the x's and y's are made negative

• the x's and y's are the same

What transformations has the function undergone?

• reflect over y, vertical compress by 2, right 5, up 1

• reflect over x, horizontal compression by 2, left 5, up 1

• reflect over x, vertical stretch by 2, right 5, up 1

• reflect over y, horizontal stretch by -2, right 5, up 1

Solve the cube root equation

• 344

• 21

• -344

• -21

Solve. (3x-5)^1/4+3=4

• 4/3

• 2

• -2

• -4/3