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natita [175]
4 years ago
11

If f(x) = 3x 7, find f(a - 1) a. 3a 6 b. 3a 4 c. 3a 8 d. 3a 10

Mathematics
1 answer:
Rom4ik [11]4 years ago
5 0
Hello,

Let's suppose f(x)=3x+7
f(a-1)=3(a-1)+7=3a-3+7=3x+4
Answer B with a sign "++++++++++++++++++++++++++++"


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Please answer correctly and to the best of your ability
Pavlova-9 [17]
X      3x+7               y     (x, y)
1      3(1) +7          10      (1,10)
2      3(2) +7          13       (2,13)
3      3(3) +7           16      (3,16)
4      3(4) +7          19       (4,19)
7 0
3 years ago
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As you know, 4.78 is less than 5, so
.. yes, x=4.78 is a solution to x < 5

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7 0
3 years ago
Dustin bought a flower pot that was marked down 60% from an original price of $2.50. If he paid 11% sales tax, what was the tota
grandymaker [24]

Answer:

He paid $1.11

Step-by-step explanation:

2.50 * 0.4 (he paid for 40% of the original price, since it was a 60% discount) = 1

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7 0
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Answer:

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Answer:

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so C is the best deal (C.

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