Question

Can someone help me?

Answer 1

1) 4 miles per hour

2) Yes, No

Explanation:

Speed is the slope of the distance-tome graph.

The steepest slope is:

((5-3)/(2-1.5) = 2/0.5

= 4 miles per hour

A relationship is a function when every input has a unique output

Equation:

B = 5 × 2^t

This is a function

This is an exponential function, not a linear