Is "ab" an angle? If so, can you try to repost the picture because I cannot see anything so it's hard to try and help you.
Answer:
Step-by-step explanation:
y = e^(-3x)
Stretch by factor of 4
y = 4e^(-3x)
Reflect across y axis
y = 4e^(3x)
Shift up by 5
y = 4e^(3x) + 5
Answer:
$19.35
Step-by-step explanation:
After 5 days
You can solve this by plugging 5 in.
-3(5)+42 = 27
4(5)+7 = 27
They have the same result.