Answer:
c. One sided t-test
Step-by-step explanation:
One sided t test because we want to compare two means and alternative hypothesis is directional.
Answer:
=
Step-by-step explanation:
when using pemdas both sides are 0 so they are equal
Answer:
The answer is B
Step-by-step explanation:
f(x) = 4x² + 1
g(x) = x² - 5
(f-g)(x) = 4x² + 1 - (x²-5)
= 4x² + 1 - x² + 5
= 3x² + 6