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Aleonysh [2.5K]
2 years ago
9

Joe has $150 in his saving account and saves $40 per month. Which equation represents the amount Joe has in his account after x

months?
1. y=150+40
2. y=150x+40
3. y=40x+150
Mathematics
2 answers:
posledela2 years ago
6 0

Answer: 3. Y=40x+150.

Daniel [21]2 years ago
3 0

Answer  y=150+40 it equals $190

Step-by-step explanation:

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Given f(x) = 4x3 − 12x2 + 40x + 12, find f(–2). A) f(–2) = –52 B) f(–2) = –96 C) f(–2) = –108 D) f(–2) = –148
AURORKA [14]

Given function : f(x) = 4x^3 -12x^2 + 40x + 12.

We need to find the values of f(-2).

In order to find the value of f(-2), we need to plug x=-2 in the given fucntion f(x) = 4x^3 -12x^2 + 40x + 12.

Replacing x by -2, we get

f(-2) = 4(-2)^3 -12(-2)^2 + 40(-2) + 12

We get (-2)^2 = -2 *-2*-2=-8 and (-2)^2 = -2 * -2 = 4.

f(-2) = 4(-8) -12(4) +40(-2) +12 .

f(-2) = -32 -48 -80+12.

f(-2) = -160 +12.

f(-2) = -148.

Therefore, correct option would be option D. That is  f(-2)=-148.                



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