Question

A. y = 11x

B. y = 55x
C. y equals one eleventh times x
D. y equals 1 over 55 times x

Answer 1

A.
`y=11x`

Explanation:

The graph is linear, meaning it follows the formula
`y=mx+b`, where y and x are variables, m is the constant rate that the graph increases by, and b is the y-intercept. The graph is increasing at a rate of 55 calories burned per 5 minutes spent skateboarding, which simplifies to 11 calories per 1 minute, so m is 11. The graph's y-intercept is 0 because it runs through the origin, and there's no point in writing "11x + 0" so it's just "y = 11x"