Which of the following equations represents an exponential function? a. f(x)=2x+7
b. f(x)=
c. f(x)=
d. f(x)=

Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x – 2 c. y+ 2 = – 2(x+3)^2 d. y+ 2 = 2(x+3)^2

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Pranza plotted point a in the coordinate plane below.