Answer:
sorry ?
Step-by-step explanation:
Answer:
Would you mind posting a picture instead thank you.
Thinking about y = mx + b or f(x) = mx + b where m is the slope (rate of change) and b is the y-intercept (fixed fee or initial cost) you would get the following equation:
$25 fixed service call fee = b
$15 for each hour = m
ANSWER ⇒ f(h) = 15h + 25