Answer:
See below.
Step-by-step explanation:
Formula: A = πr²
Since the radius is 4, we fill in the formula with the radius.
A = (3.14)4²
A = (3.14)16
A = 50.24
-hope it helps
Answer:
Range of f(x) = 1/7(9)^x is all real numbers greater than 0.
Answer:
2401
Step-by-step explanation:
7*7*7*7=2401
Answer:

Step-by-step explanation:
The question is not properly formatted. However, the integral of
is as follows:
<h3>
</h3>

Remove constant 7 out of the integrand

Multiply by 1

Express 1 as: 

Expand

Let

Differentiate

Make
the subject

So, we have:

Cancel out 

Integrate

Recall that: 
