Answer:
The area is 42 area units.
Step-by-step explanation:
The area of a function f(x) on an interval [a,b] is given by:

Applying to this question:

Then





The area is 42 area units.
Answer:
49-63
Step-by-step explanation:
1. (7·7) - (7·9)
2. (49) - (63)
3. 49 - 63 = -14
Hoped I helped!! :)
Answer:
NONE
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Okay! Time to use the Pythagoras theorem.
a^2 + b^2 = c^2
4^2 + 7^2 = x^2
16 + 49 = c^2
65 = c^2
Let's take the square root of both sides to get
c ~ 8.06
C
:)
Im guessing this is a rectangle? If so it would be
16+16+25+25
32+50
82 is the perimeter