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8 August, 14:23

What is the value of F (x) = 2 (0.75) ^x when x equals 3?

A. 4.5

B. 3.375

C. 1.5

D. 0.8444

What type of situation could be represented by the function f (x) = 2 (0.94) ^x?

A. a population declining rate 2%

B. a population growing rate at 94%

C. A population growing rate at 2%

D. A population decline rate at 6%

How is the expression log32-log8 written as a single logarithm?

A. Log 4

B. Log 8

C. Log 24

D. Log 40

What is the value of log 25

A. 2

B. 5

C. 0.699

D. 1.398

+4
Answers (1)
  1. 8 August, 16:14
    0
    That is alot of qeustions

    I will be puting less detail tho

    first one

    f (3) = 2 (0.75) ^3=0.84375

    D

    2nd one

    declining since it is less than 1, 100-94=6, so declining by 6%

    D is answer

    3rd one

    rememeber that loga-logb=log (a/b)

    so, log32-log8=log (32/8) = log4

    A is answer

    4th one

    log25

    evaluate using your calculator

    1.39794

    D
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Home » Mathematics » What is the value of F (x) = 2 (0.75) ^x when x equals 3? A. 4.5 B. 3.375 C. 1.5 D. 0.8444 What type of situation could be represented by the function f (x) = 2 (0.94) ^x? A. a population declining rate 2% B. a population growing rate at 94% C.
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