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melamori03 [73]
3 years ago
10

Help!!! Consider function f

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0
It’s C . You welcome
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You drink a beverage with 120 mg of caffeine. Each hour, the caffeine in your system decreases by about 12%. How long until you
uysha [10]

Answer:

  19.44 hours, about 19 hours 26 minutes

Step-by-step explanation:

The exponential equation that describes your caffeine level can be written as ...

  c(t) = 120·(1 -0.12)^t . . . . where t is in hours and c(t) is in mg

We want to find t for c(t) = 10, so ...

  10 = 120(0.88^t)

  10/120 = 0.88^t . . . . . . . divide by 120

  log(1/12) = t·log(0.88) . . . take logarithms

  t = log(1/12)/log(0.88) ≈ 19.4386

It will take about 19.44 hours, or 19 hours 26 minutes, for the caffeine level in your system to decrease to 10 mg.

3 0
3 years ago
Choose the correct simplification of the expression (3x - 6)(2x^2 - 4x - 5) ?
topjm [15]

= 3x(2x^2 - 4x - 5) - 6(2x^2 - 4x - 5)

= 6x^3 - 12x^2 - 15x - 12x^2 + 24x + 30

= 6x^3 - 24x^2 + 9x + 30 (answer)

7 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL MARK BRAINLIEST RIGHT AWAY!!!
o-na [289]

Answer:

C

Step-by-step explanation:

The slope formula is y^2 - y^1 over x^2 - x^1    

hope this helps!

also the answer is just the inverse of that answer

3 0
3 years ago
How can i show my work for 414 divided by 9
alexandr402 [8]
You could:

414/9
=1/46
=46

There's not much more work to show sorry
4 0
3 years ago
What is the domain of f(x)=
notsponge [240]

Answer:

For example, the domain of f (x)=x² is all real numbers, and the domain of g (x)=1/x is all real numbers except for x=0. We can also define special functions whose domains are more limited.

Step-by-step explanation:

8 0
3 years ago
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