Answer:
The decrease in percent is 50 %
Step-by-step explanation:
Initial point is 90 while the final point is 45. We need to find the percent decrease. Percent change is given by :
So, the percent decrease is 50 percent. Hence, this is the required solution.
Hi there!
f(x) = 2x + 6
Differentiating 2x = 2 (Power rule, dy/dx xⁿ = nxⁿ⁻¹)
Differentiating a constant always equals 0.
Thus:
f'(x) = 2
Answer: the answer is C
sample mean