8 feedings because she recorded it two times and giant humming Bird fed it 4x so 4×2=8
F'(x)= 4 (2x+3)^3 times 2 = 8 (2x+3)^3 .
Answer:
13
Step-by-step explanation:
Answer:

Step-by-step explanation:

take derivative with respect to t

derivative of e^t is e^t
derivative of -1.4t is -1.4

Apply chain rule

