Kenny has $1,400 in the bank. He earns $150 every week at his after-school job. What is the rate of change for the scenario described? 2 150 300 1400

$150

Step-by-step explanation:

Kenny has $1400 in the bank.

Each Week, he earns $150

At the end of Week 1, His total Income=1400+150

At the end of Week 2, His total Income=1400+150(2)

At any number of week n, His total Income=1400+150n

Therefore, his rate of change in the scenario described is $150

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.