The amount of money that Mary earns varies directly with the number of hours worked. If Mary earns $320 for working 40 hours, determine the constant of variation
A)
6
B)
7
C)
8
D
9

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units

Consider the function f(x)=-5x+3 what is f(-2)

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)