Question

Mark recorded the growth of a plant over 8 weeks. The equation y=0.2x+2 represents the height y, in inches, after x weeks

Answer 1

Which of the following could be true? Select two answers.

A.
The height of the plant after week 3 was about 2.6 inches.

B.
The height of the plant after week 3 was about 0.6 inches.

C.
The height of the plant after week 9 was about 3.8 inches.

D.
The height of the plant after week 9 was about 1.8 inches.

Answer 2

y=0.2x+2
to find the height after x weeks, just give a value to x and plug it in. For example, after 2 weeks,
y = 0.2*2 + 2 = 0.4+2 = 2.4
Now plug in 3 and 9 and see which response agrees with your calculation.

Answer 3

so whats the answer

Answer 4

I think the answer is a&c