Answer:
y=-5x-2
Step-by-step explanation:
y=mx+b
where m is the slope
y=-5x+b
to solve for b, which is the y intercept, plug in (1,-7)
-7=-5(1)+b
-7=-5+b
-2=b
y=-5x-2
B=5a-4
pick any a valve and replace it with a you will get b
Answer:
C) 6 inches
Step-by-step explanation:
Given function:

The function compares plant height in inches to the age of plant in weeks.
So, we can say
represents height of plant in inches.
represents age of the plant in weeks.
In order to predict the height of the plant in 5 weeks, we will plugin
in the given function and evaluate 
⇒ 
⇒ 
⇒
inches
Thus the approximate height of plant in 5 weeks would be
inches
Answer:
A
Step-by-step explanation:
I just did it
Answer:
51 inches (or 4 feet 2 inches)
Step-by-step explanation:
if she was 44 inches at the start of second grade, grew 4 inches through second, then grew 3 more inches through third grade, she would be 51 inches (Or 4 feet 2 inches)