Answer:
16x² - 8x + 8
Step-by-step explanation:
f(x)=4x-1
g(x)=x²+7
g(f(x)) = g(4x-1) = (4x - 1)² + 7 = 16x² - 2*4x*1 +1² + 7= 16x² - 8x + 8
Step-by-step explanation:
h(n)=4n+ 4 find h (-3)
h(-3)=4(-3)+4
=-12+4
=--8
2028 is result of power of 2. It's exactly 2 ^ 11, so it is 2*2*2*2*2*2*2*2*2*2*2
Answer:
Yes, it is a valid random sample for if I were to randomly survey 50 people from the phone books of 20 randomly chosen cities.
Step-by-step explanation:
Because a random sample, means, the following: a subset of a statistical population in which each member of the subset has an equal probability of being chosen. And the randomly survey 50 people from the phone books of 20 randomly chosen cities matches this meaning.
Answer:N is 22.5 I think
Step-by-step explanation:
Half of 90 is 45 and N looks like half of P and half of 45 is 22.5
