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saveliy_v [14]
3 years ago
13

If f(1) =160 and f(n+1) = -2f(n), what is f(4)?

Mathematics
1 answer:
Margarita [4]3 years ago
4 0

Answer:

-1280.

Step-by-step explanation:

f(n + 1) = -2 f(n):

As  function of 1 = 160,  function of 2 = -2 * 160 = -320.

function of 3 = -320 * -2 =  640  and

= function of 4 = 640 * -2 = -1280.

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8 0
3 years ago
For one History test, Keith had to answer 40 questions. Of these 40 questions, Keith answered 28 of them correctly. What percent
muminat

Answer:

Keith scored 70% on the History test.

Step-by-step explanation:

We have been given that for History test, Keith had to answer 40 questions. Of these 40 questions, Keith answered 28 of them correctly.

To find the percentage Keith got on History test, we will have to figure out 28 is what percent of 40.

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Therefore, Keith scored 70% on the History test.

5 0
4 years ago
Answer this math question
aalyn [17]

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3 0
3 years ago
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