FUNCTIONS (General Math)

If All functions are relations, then all relations are functions.

• TRUE

• FALSE

Tags

CCSS.8.F.A.1

In any function, the input variable is also called the dependent variable.

• TRUE

• FALSE

Tags

CCSS.HSF.IF.A.1

CCSS.8.F.A.1

Using the vertical line test, a relation in graph form is a function if none of the vertical lines drawn in the graph intersects the graph in more than one point.. 

• TRUE

• FALSE

Tags

CCSS.HSF.IF.A.1

A function that is defined by different sets of input values is said to be a piece-wise function.

• TRUE

• FALSE

Tags

CCSS.HSF.IF.A.1

Given two functions f(x) and g(x), the result of (f + g)(x) is just the same with the result of (g + f)(x).

• TRUE

• FALSE

Tags

CCSS.HSF-BF.A.1C

Given two functions f(x) and g(x), the result of (f - g)(x)  is just the same with the result of (g – f)(x).

• TRUE

• FALSE

Tags

CCSS.HSF-BF.A.1B

Given two functions f(x) and g(x), the result of (f • g)(x) is just the same with the result of (g • f)(x).

• TRUE

• FALSE

Tags

CCSS.HSF-BF.A.1C

• TRUE

• FALSE

Tags

CCSS.HSF-BF.A.1B

Which of the following sets is the domain of the relation

{(-2, 4) , (-1, 2) , (0, -2), (1, -4) } ?

• {-2, -1,  4 , 2}     

• {4,  2,   0, 1}

• {-2,  -1,   0,    1}

• { 4,   2,  -2 ,  -4}

Tags

CCSS.HSF.IF.A.2

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Which of the following numbers is the value of  f(x) if f(x) = -4x + 12  is evaluated at x = -5 ?

• 32

• 21

• 7

• -8

Tags

CCSS.HSF.IF.A.2