Answer:
7.855
Step-by-step explanation:
A=pi*r^2=3.142*5^2=3.142*25=7.855
Answer:
f(-2) = 9
Step-by-step explanation:
Given that,
f(x) = x² + x + 7
We need to find the value of f(-2).
Put x = -2 in the given function.
f(-2) = (-2)² + (-2) + 7
= 4-2+7
= 9
Hence, the value of f(-2) is equal to 9.
Answer:
Is an arithmetic sequence
Step-by-step explanation:
This is an arithmetic sequence, because it is a sequence of numbers in which the common difference between consecutive terms is 5
Answer:
a
Step-by-step explanation: