2 years ago

If f(x)=5(2)x , what is f(3)?

Mathematics

1 answer:

Elenna [48]2 years ago

7 0

Answer: just means to substitute 3 in for x

Step-by-step explanation:

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Jenny borrowed $500 for five years at 4 percent interest, compounded annually. What is the total amount she will have paid when

joja [24]

P= 500. I = 0.04. t=5. plug those numbers into the formula. So 1.04^5 and multiplying it time 500 and the final answer would be 608.33

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3 years ago

What is the diagnosis of a rectangular room which measures 16 feet by 7 feet

Verizon [17]

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2 years ago

Find an expression for f−1(x), if f(x) = 5 − 2x

Lesechka [4]

Answer:

$f^{-1}$ (x) = $\frac{5-x}{2}$

Step-by-step explanation:

Let y = f(x) and rearrange making x the subject

y = 5 - 2x ( add 2x to both sides )

2x + y = 5 ( subtract y from both sides )

2x = 5 - y ( divide both sides by 2 )

x = $\frac{5-y}{2}$

Change y back into terms of x

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2 years ago

Joey puts 25% of his allowance into savings each week. If last week he put 10$ in savings, what was his allowance last week?

Yuri [45]

Answer:

Step-by-step explanation:

10=25% so multiply 10 by 4 and cause there is 4 25% in 100

7 0

3 years ago

Give the volume and surface area of the sphere shown

leonid [27]

Answer:

V≈3053.63

A≈1017.88

Step-by-step explanation:

V= $\frac{4}{3}$ π $r^{3}$ = $\frac{4}{3}$ ·π· $9^{3}$ ≈3053.62806

A=4π $r^{2}$ =4·π· $9^{2}$ ≈1017.87602

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1 year ago