1. In the ordered pairs ((1.a),(2,b),(3,c),(4,d),(5.e)), which of them is/are the domain?
a. Number
b. Letter
c. Parentheses
d. Commas

2. Given the function h(x)=x^ 2 -5, find f(3)
a. 4
b. -4
c. 14
d. -14

3. Evaluate the algebraic expression 2xy when x = 2 and y = - 3
a. 1
b. -4
c. 12
d. -12

4. It is defined by f(x) = mx + b, where m is the slope and b is the y-intercept
a. function
b. relation
c. linear equation
d. linear function

5. If f(x) = 5x - 7, -7 is the _
a. x-intercepts
b. y-intercepts
c. slope
d. function