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navik [9.2K]
3 years ago
8

I need to find (f of f)(0)

Mathematics
1 answer:
cupoosta [38]3 years ago
8 0
f(x)=2x-1
(f\circ f)(x)=f(f(x))=f(2x-1)=2(2x-1)-1=4x-3
\implies(f\circ f)(0)=-3
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Initially, there were only 86 weeds in the garden. The weeds grew at a rate of 29% each week. The following function represents
Orlov [11]

Step-by-step answer:

The base of the exponential function is 1.29 for 7 days, as in

f(x) = 86*(1.29)^x

The new rate for days can be calculated by dividing x by 7 (where x remains the number of weeks), namely

f(x) = 86*1.29^(x/7)

Using the law of exponents, b^(x/a) = b^(x*(1/a)) = (b^(1/a))^x

we simplify by putting b=1.29, a=7 to get

f(x) = 86*(1.29^(1/7))^x

f(x) = 86*(1.037)^x      since 1.29^(1/7) evaluates to 1.037

Rounding 1.037 to 1.04 we get a (VERY) approximate function

f(x) = 86 * (1.04^x)

1.04 is very approximate because 1.04^7 is supposed to get back 1.29, but it is actually 1.316, while 1.037^7 gives 1.2896, much closer to 1.29.

7 0
3 years ago
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Rick bought 3 shirts for $18 each, 2 pair of socks for $3.99 a pair, and a pair of slacks, for $45.00. The sales tax is 8.5%. Ho
ivolga24 [154]
Price of 3 shirts=$18*3=$54
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Regards
6 0
3 years ago
The measures of two angles of a triangle are 61 and 84 degrees. Find the measure of the third angle.
Serhud [2]

Answer:

The measure of the third angle is 35°.

Step-by-step explanation:

The sum of the three angles of a triangle is always 180°.

Let the measure of the third angle be x.

∴ 61° + 84° + x = 180°

           145 + x =180°

                    x = 180 - 145

                    x = 35°

Hope this answer was helpful!!

If you liked it, please mark it as the Brainliest!!

Regards..

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3 years ago
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A shipping company places circular labels on all of their products. Each label measures a 4 inch radius. If the company order 10
svetoff [14.1K]

Answer:502.4 Square inches are need.

Step-by-step explanation:

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Find the unit rate if you have to pay $36 for 3 tickets
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Answer:

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Step-by-step explanation:

36÷3=12

Each ticket costs $12

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3 years ago
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