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The average rate of change of g(x) over the interval 1 ≤ x ≤ 4 is 27. What is the missing value in the table?

x |0 | 1 | 2 | 3 | 4
g(x)|0 |3| 6 | 15| ?

User ZedBee
by
5.2k points

1 Answer

3 votes

Answer:

The value of g(x) ar x = 4 is 84.

i.e. g(4) = 84

Explanation:

Given the table

x 0 1 2 3 4

g(x) 0 3 6 15 BLANK

The average rate of change of g(x) over the interval 1 ≤ x ≤ 4 is 27.

at x₁ = 1, g(x₁) = 3

at x₂ = 4, g(x₂) = g(4) = ?

The average rate of change = 27

Using the formula involving the average rate of change

Average rate = [g(x₂) - g(x₁)] / [ x₂ - x₁]

substituting x₁ = 1, g(x₁) = 3, x₂ = 4 and Average rate = 27

27 = [g(4) - 3] / [4 - 1]

27 = [g(4) - 3] / [3]

27×3 = g(4) - 3

81 = g(4) - 3

81+3 = g(4)

84 = g(4)

Thus,

The value of g(x) ar x = 4 is 84.

i.e. g(4) = 84

User Austin Ziegler
by
4.9k points
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