Answer:
4b
Step-by-step explanation:
Answer: y= -2x+12
Step-by-step explanation:
First, you know that it would be a plus 12, since the y-intercept is 12. Then, you would find the correlation between x and y. That would have a constant of -2. Then, you put it in slope-intercept form.
f(5) = 0.5^(5-1)*f(1) = 0.5^4 * 120 = 7.5
don't mind the dirty white board lol
Answer: y=2x
I upload I picture of showing my work. Hope this help you.