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zubka84 [21]
3 years ago
11

How do I solve log(2)t^3-1=-3?

Mathematics
1 answer:
Ne4ueva [31]3 years ago
3 0
Assuming you mean
log_2(t^3-1)=-3
remember
log_a(b)=c translates to a^c=b
translate

log_2(t^3-1)=-3 translates to 2^{-3}=t^3-1
\frac{1}{2^3} =t^3-1
\frac{1}{8} =t^3-1
add 1 to both sides
\frac{9}{8} =t^3
cube root both sides
\frac{ \sqrt[3]{9} }{2}=t
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3 years ago
A graph of a linear function is shown on the grid. Which of these best represents 0 of the function? A 8. B 10. C 16. D 24.
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answer:

C. 16

explanation:

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coordinates: (0,8) and (4,6)

slope:

\sf \frac{y2-y1}{x2-x1}

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\sf \frac{-2}{4}

\sf -\frac{1}{2}

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y = \sf -\frac{1}{2}x +8

solve for x-intercept:

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y = \sf -\frac{1}{2}x +8

0= \sf -\frac{1}{2}x +8

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3 years ago
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