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Alexus [3.1K]
3 years ago
11

G(x)=3x+2 and h(x)=ax+B

Mathematics
1 answer:
AfilCa [17]3 years ago
3 0

Answer:

B= \frac{3}{-2}

a= \frac{11}{2}

Step-by-step explanation:

g^{-1}= \frac{x-2}{3}  (g of -1 formula)

g^{-1}(14)= \frac{14-2}{3}

          = \frac{12}{3}

         = 4

h(x)=ax + B

h(1)= a+ B

g^{-1}(14)=h(1)

4=a + B

a= 4-B

h(4)=22

4a+B=22

4(4-B)=22

16-4B=22

-4B=6

B= \frac{6}{-4}

B= \frac{3}{-2}

a= 4+\frac{3}{2}

 a= \frac{8+3}{2}

a= \frac{11}{2}

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Answer:

Part A

a·(a² - a + 1) + 5·a = a³ - a² + 6·a

Part B

The value of a·(a² - a + 1) + 5·a, for a = -2 is -24

Step-by-step explanation:

Part A

The given function is a·(a² - a + 1) + 5·a

The function is simplified by expanding the product of sums into sums of products, as follows;

a·(a² - a + 1) + 5·a = a × a² - a × a + a × 1 + 5·a = a³ - a² + a + 5·a = a³ - a² + 6·a

The function, a·(a² - a + 1) + 5·a, in simplified format is therefore;

a·(a² - a + 1) + 5·a = a³ - a² + 6·a

Part B

When a = -2, we get;

(a³ - a² + 6·a)_{a = 2} = (-2)³ - (-2)² + 6·(-2) = -8 - 4 - 12 = -24

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3 years ago
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<u>We are given</u>

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