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20 votes
F(x)=3(2)^x ; x= -1 evaluate for X

2 Answers

10 votes

Answer:

f(-1) = 3/2

Explanation:

Solve:

  • f(-1) = 3(2)^-1
  • f(-1) = 3 * (1/2)
  • f(-1) = 3/2

-Chetan K

User Edu Yubero
by
8.9k points
11 votes

Hey there!

f(x) = 3(2)^x

f(x) = 3(2)^-1

y = 3(2)^-1

y = 3 * 2^-1

y = 3 * 1/2

y = 3/1 * 1/2

y = 3(1) / 1(2)

y = 3/2

y ≈ 1 1/2


Thus, your answer is: y = 3/2 or y = 1 1/2


[EITHER OF THOSE SHOULD WORK BECAUSE THEY ARE BOTH EQUIVALENT TO EACH OTHER]

Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

User Hellen
by
8.5k points

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