F(x)=400(2)x (x is an exponent)
What would x be for the equation to equal 2800?

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x

i got 10.28 but that rounds up to 10.3

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed