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Daniel [21]
3 years ago
9

1 5.4.3 Test (CST): Exponents and Exponential Functions

Mathematics
1 answer:
ZanzabumX [31]3 years ago
5 0

Answer:

f(-4) = ⅑

Step-by-step explanation:

Given

f(x) = 9(3)^x

Required.

Find f(-4)

f(x) = 9(3)^x

Substitute -4 for x

f(-4) = 9(3)^(-4)

Apply laws of indices

f(-4) = 9 * 1/(3⁴)

f(-4) = 9 * (⅓)⁴

f(-4) = 9 * 1/81

f(-4) = 9/81

Simplify

f(-4) = ⅑

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Answer: they would both have $240 in 3 months

Step-by-step explanation:

180 + 20 + 20 + 20 = 240

120 +40 + 40 + 40 =240

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180+20=200+20=220+20=240

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and there u go :)

4 0
3 years ago
Mary and Philip are in a race. Mary runs 5.47 meters per second and Philip runs 6.59 meters per second. How much farther ahead i
Maru [420]

Answer:

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Step-by-step explanation:

Philip

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Mary

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Step-by-step explanation:

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