Simplified it's 8y^2+40y+42
Surface area = 
= 
x 3.14 x 3 x 3 x 3 = 3.14 x 4 x 3 x 3 = 113.04 yd^2 = approx. 113.1 yd^2
Answer:
6. 2
7. 13
8. 10
9. -29.78
Step-by-step explanation:
6. 3(1) - 1
3-1
2
7. -2(-2)+9
4 + 9
13
8. 2(3) + 4
6 + 4
10
9. 3.8(-7.6) - .9
-28.88 - .9
-29.78
Answer:
yes it is a function
the domain is (-3, 8]
the range looks like (-5, 2.5]
Step-by-step explanation:
using the vertical line test, you can find that it is a function
the domain is all the x values between -3 and 8. -3 is not included since there is an open circle
The range is all the y values
