I = P x R x T
I = 6000 x .04 x 2
I = $480
He will be paid $480 interest in the first two years
F(x) = -4sin(2x + π) - 5
<u>Amplitude</u>
A = -π
<u>Period</u>
<u>2π</u> = <u>2π</u> = π
B 2
<u>Phase Shift</u>
<u>-C</u> = <u>-π</u> = ≈ 1.57<u>
</u> B 2<u>
</u>
Try to understand this. Hope this help. Answer for 2 only.