Answer:
-12
Step-by-step explanation:
f
(
x)
=
2
x
2
+
8
x
Find f(−1)
replace x by its value which is -1
so:
f
(
x)
= 2
x
2
+
8
x
f
(
-1)
= 2 (-1)*2
+
8
(-1)
f(-1)= -2*2 + (-8)
f(-1)= -4 -8
f(-1)= -12
3/4 with the main number divide it
Associative property of <span>multiplication</span>
I think you can do this way:
Volume = B*h where B is the area of the base.
B= 4 * 10 = 40
V= 40 * 15
V= 600 cm^3
