Answer:
-5
Step-by-step explanation:
"r(s(-2))" is a composition of functions. To evaluate this, we need to plug in "-2" into the function S(x) and then take that value and further plug it into R(x).
First, s(-2):
Now, we take the value (-4) and put it into R(x) to get our final answer:
Hence, r(s(-2)) = -5
The 99% confidence interval for the true mean is given by:
where:
is the sample mean = 69.7
is the standard deviation = 2.8
is the test statistics = 2.58 for for 99% confidentce interval.
n is the sample size = 772.
Therefore, the 99% confidence interval is:
The first, second, fourth, and fifth statements are true. The third statement is false because polygons can have congruent sides but noncongruent angles, and this is easiest to exemplify using a rhombus, a four-sided figure with identical side lengths but different angle measures.
X=2 is not the answer because when substituting 2 for x in both problems the answers are different.
-4(2)-12=-20
2(2)-8=-4
-20 does nothing equal to -4 which means x=2 is invalid
Answer:
12/6x
Step-by-step explanation:I know my math