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

Answers

Answer 1

Answer:

f(1) = 160

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

f(3) = f(2+1)= - 2f(2) = (-2)·(-2)f(1) = 4f(1)

f(4) = f(3+1) = -2f(3) = -2·4f(1) = -8f(1) = - 8·160 =

Answer 2

Answer:

Answer:

-1,280

Step-by-step explanation:

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12x a y b ÷ (-6x a y)

Answers

Answer:

$(12xay)/(-6xay) \n$ = -2b is the answer

Step-by-step explanation:

$(12xay)/(-6xay) \n$

here we can see that we can cancel common terms from both numerator and denominator . 12 is divided by 6 we get 2 and x ,a and y are cancelled from the denominator .Only b is left in the numerator .

so final answer is -2b.

12x a y b ÷ (-6x a y)
Answer is -2b

Help please math really fast asap

Answers

well 8 x -2 = 16 and 16 + 16 = 32 so y=16

The answer is negative 2 or -2

Doug earns $10.50 per hour working at a restaurant. On Friday he spent 1 & 3/4 hours cleaning, 2 & 1/3 hours doing
paperwork, and 1 & 5/12 hours serving customers. What were
Doug’s earnings?

Answers

First, add all of the working hours.
1 $(3)/(4)$ + 2 $(1)/(3)$ + 1 $(5)/(12)$

Since the denominators are different, make them all the same.
1 $(9)/(12)$ + 2 $(4)/(12)$ + 1 $(5)/(12)$

Add everything together.
4 $(1)/(12)$ + 1 $(5)/(12)$ = 5 $(6)/(12)$

Then, simplify.
5 $(1)/(2)$ or 5.5

Multiply the time by the salary.
5.5*10.5= Doug earned $57.75

60.34 to the nearest tenth a second

Answers

The answer is 60.3 because the number after is not five or higher to be rounded up so it stays the same.

M ∪ N = ____.

{3, 4, 6, 7, 9}
{3, 4, 5, 6, 8, 9}
{2, 4, 6, 8}

Answers

{3, 4, 6, 7, 9}????????????/

Answer:34679

Step-by-step explanation:

Is the following a relation a function? X Y
1 -2

1 -3

2 1

3 -2

Yes or no

Answers

no because 1 has more than one output

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Laurie's favourite football team has had a bad century! They have only won the grand final once in a hundred years. Laurie won't say what year it was. All he will say is that it's the same year when you're standing on your head as when you are standing upright. What year (in the 1900's) did his team win the grand final?