REVIEW (GENMATH)

Given the function j(x)= 2x² -10, what is the value of j(2)?

• 1

• 2

• -1

• -2

Given the functions f(x) = 2x-8 and g(x)= 5x+3, what is (f-g)(x)?

• (f-g)(x)= 3x-11

• (f-g)(x)= -3x-11

• (f-g)(x)= 7x-11

• (f-g)(x)= -7x-11

What is the value of x in the given equation?

• 2

• 3

• 4

• 5

Given the function f(x)= 3x-21, find (fof)(2)?

• -66

• -67

• -68

• -69

All functions are relations.

• TRUE

• FALSE

All functions are one-to-one functions.

• TRUE

• FALSE

Given the function, d(x)= 2x² -3x +21, evaluate d(-3)

• 46

• 47

• 48

• 49

What is (fg)(x), if f(x)= 2x-7 and g(x)= x+2?

• 2x² + 3x -14

• 2x² -3x +14

• 2x² -3x -14

• 2x² + 3x +14

What is the value of x in the given equation?

• 
• 
• 
• 

All quadratic functions have inverses that are also functions?

• TRUE

• FALSE