Answer:
Rate of change = change y / change x
Change y = + 1
Change x = + 2
SO the rate of change is 1/2
WHAT IS THE Y VALUE WHEN X IS 9
y = 1 MULTIPLY by 4.5 = 4.5
x = 2 MULTIPLY by 4.5 = 9
Y = 4.5 when x = 9
4 : 8
x 9 => 36 : 72 <=== equivalent
Answer: Hey the answer is f(x)=4•(0.5)^x
Step-by-step explanation:
Answer:
-1.6
Step-by-step explanation:
4x-2/5
=-8/5
=-1.6