Answer:
f(2) = 16
Step-by-step explanation:
f(2) = 3(2)2+4
f(2) = 6*2 = 12 +4
f(2) = 16
4) A
5)B
4.5% of 70 is 3.15 and times 3 is 9.45
Answer:
Step-by-step explanation:
Simplifying
W + -2 + 2w = 6 + 5w
Reorder the terms:
-2 + W + 2w = 6 + 5w
Solving
-2 + W + 2w = 6 + 5w
Solving for variable 'W'.
Move all terms containing W to the left, all other terms to the right.
Add '2' to each side of the equation.
-2 + W + 2 + 2w = 6 + 2 + 5w
Reorder the terms:
-2 + 2 + W + 2w = 6 + 2 + 5w
Combine like terms: -2 + 2 = 0
0 + W + 2w = 6 + 2 + 5w
W + 2w = 6 + 2 + 5w
Combine like terms: 6 + 2 = 8
W + 2w = 8 + 5w
Add '-2w' to each side of the equation.
W + 2w + -2w = 8 + 5w + -2w
Combine like terms: 2w + -2w = 0
W + 0 = 8 + 5w + -2w
W = 8 + 5w + -2w
Combine like terms: 5w + -2w = 3w
W = 8 + 3w
Simplifying
W = 8 + 3w
Answer:
B. (b x d) - c
Step-by-step explanation:
i. -(a x d) + b
= -(6 x 
) + 8
= -3 + 8
= 5
ii. (b x d) - c
(8 x ) - 4
= 4 - 4
= 0
iii. 2(b x f) + a
= 2(8 x 
) + 6
= 4 + 6
= 10
iv. (a x e) - c
= (6 x 
) - 4
= 2 - 4
= -2
Thus, the expression which is equivalent to 0 is that of option B.
