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spin [16.1K]
3 years ago
5

Algebra 2 help!

Mathematics
1 answer:
murzikaleks [220]3 years ago
4 0
<h3>Answer:</h3>
  • x-intercept: 82.75
  • y-intercept: -2.15
<h3>Step-by-step explanation:</h3>

To find the x-intercept, set y=0 and solve.

... 0 = log(12x +7) -3

... 3 = log(12x +7) . . . . add 3

... 1000 = 12x +7 . . . . take the antilog. (10^3 = 1000)

... 993 = 12x . . . . . . . .subtract 7

... 82.75 = x . . . . . . . . divide by 12

To find the y-intercept, set x=0 and solve.

... y = log(12·0 +7) -3

... y = log(7) -3 . . . . . . simplify

... y ≈ 0.85 -3 = -2.15 . . . . use a calculator for the log function

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