Unit 2 Review

Given the function f(x) = 4(3-x) what is the value of f(-24)?

• -84

• 108

• 9

• 36

Matthew's service club is raising money by wrapping presents in the mall. The function w(p) = 3p describes the amount of money, in dollars, the club will earn for wrapping p presents. They only have enough wrapping paper to wrap 1000 presents. What is the domain of the situation?

• The set of all integers greater than or equal to 1000

• The set of all numbers from 0 to 1000

• The set of all integers less than 1000

• The set of all integers from 0 to 1000

The chart represents all of the points on the graph of function f. What is the domain of f?

• {4}

• {-1, -3, 5}

• {8, 9, 10, 13}

• {-1, -3, 5, 8, 9, 10, 13}

What appears to be the range of the exponential function graphed on the grid?

• $2\le y\le12$

• $2\le x\le12$

• $2<y<12$

• $0\le x\le10$

What is the domain of the quadratic function pictured in the graph?

• $x\le-6$

• All real numbers

• $y\le0$

• All real numbers less than -6

Does the table represent y as a function of x?

• Yes

• No

Consider the function

 $y=6x-4$ . What is the range when the domain is  $-5<x<5$  

•  $x>-34$  

• All real numbers

•  $-34\le y\le26$  

•  $-34<y<26$  

If $f\left(x\right)=2x^2-3x+4$ , what is the value of  $f\left(9\right)_{ }$ ? 

What is the range of the graph?

• $-5\le y\le4$

• $0<x<3$

• $-5<y<4$

• $y<4$

What cannot repeat for an equation to be a function?

• Output Values (y)

• Input Values (x)

• Input or output values

• Points