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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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Which graph could represent y, the amount owed on a car loan, as regular payments are made each month, x?
masha68 [24]

Answer:

The graph shows the number of car payments paid on the horizontal axis and the amount owed on the vertical axis. The line starts high on the vertical axis and decreases as it goes along the horizontal axis.  

Step-by-step explanation:

Among the given options only the 2nd option is correct.

i. e., the graph shows the number of car payments paid on the horizontal axis and the amount owed on the vertical axis. The line starts high on the vertical axis and decreases as it goes along the horizontal axis.  

7 0
3 years ago
Read 2 more answers
Find two complex numbers whose sum is 12 and whose product is 37.​
jeka57 [31]

Answer:

6 ± i and 6 ± i

Step-by-step explanation:

Let x be the first number.

Let y be the second number.

x + y = 12

x × y = 37

Solve for x in the first equation.

x = 12 - y

Put x as 12-y in the second equation and solve for y.

(12- y)y = 37

12y - y² = 37

- y² + 12y - 37 = 0

y = 6 ± i

Put y as 6 ± i in the first equation and solve for x.

x + 6 ± i = 12

x = 12 - 6 ± i

x = 6 ± i

8 0
3 years ago
Consider the polynomial 5x^2+8x-9. What is the degree of the polynomial?
Bond [772]

the answer is D cubic

3 0
4 years ago
12 to the power of 2 minus 6 to the power 2 times 3 to the power of 4 plus 5 to the power of 3?
Marina86 [1]
12^2 - 6^2 * 3^4 + 5^3

(144) - (36) * (81) + (125)
144 - (36 * 81) + 125
144 - 2916 + 125
-2,772 + 125
-2,647
5 0
4 years ago
Read 2 more answers
3/4 x 2 =<br> I need so much help
Fed [463]

Answer:

1 1/2

Step-by-step explanation:

3/4 x 2=

3/4 × 2/1= 6/4

6/4= 2 2/4

2 2/4= 1 1/2

3 0
3 years ago
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