Cubic and Cube Root Functions and Equations - Test Test

Question 1

Which is the function g of x for a restricted domain?

Revolt · Accepted Answer

C: g of x is equal to cube root of x plus 4 ;  x is greater than or equal to negative 4

Question 2

Which equation represents h of x ?

Revolt · Accepted Answer

A: h of x is equal to cube root of x plus 2

Question 3

What is the domain of the graphed function?

Revolt · Accepted Answer

A: start set x such that x  is a real number end set

Question 4

What is the solution to the equation square root of w squared plus 7 w minus 39 end root is equal to square root of 10 w plus 1 end root ?

Revolt · Accepted Answer

C: w is equal to 8

Question 5

Which is the graph of the function f of x is equal to x cubed plus x squared plus x plus 1 ?

Revolt · Accepted Answer

D: Image with description On a coordinate plane, a curve increases through the point negative 2 comma negative 5, has a point of inflection at negative 0.5 comma 0.5, and increases through the point 2 comma 5.

Question 6

What is the solution to the equation square root of 5 x minus 7 end root is equal to square root of 3 x plus 5 end root ?

Revolt · Accepted Answer

A: x is equal to 6

Question 7

What is the extraneous solution to the equation square root of 2 p plus 1 end root plus 2 square root of p is equal to 1 ?

Revolt · Accepted Answer

A: p is equal to 4

Question 8

The graph of the parent function f of x is equal to x cubed is translated to form the graph of g of x is equal to open paren x minus 1 close paren cubed plus 2 Which is the graph of g of x , the translated function?

Revolt · Accepted Answer

B: Image with description On a coordinate plane, the graph of the parent cubic function is shifted 1 unit right and 2 units up.

Question 9

Which of the following describes the solution to the equation square root of c squared plus 2 c minus 4 end root is equal to square root of 1 minus 2 c end root ?

Revolt · Accepted Answer

D: negative 5  is a true solution, and  1  is an extraneous solution.

Question 10

Which is the graph of the cube root function f of x is equal to cube root of x ?

Revolt · Accepted Answer

D: Image with description On a coordinate plane, a cube root function goes through negative 8 comma negative 2, has an inflection point at 0 comma 0, and goes thorugh 8 comma 2.

Cubic and Cube Root Functions and Equations - Test Test Answers

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