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Morgarella [4.7K]
3 years ago
8

Let f(x)=81+3e−0.7x .

Mathematics
2 answers:
olchik [2.2K]3 years ago
5 0
9.25
this is your answer
KiRa [710]3 years ago
5 0

Answer:

f(-3)=91.25

Step-by-step explanation:

Given :f(x)=81+3e−0.7x

To Find: Value of f(−3)

Solution:

f(x)=81+3e−0.7x

Putting x = -3

f(-3)=81+3e−0.7*(-3)

f(-3)=81+3e+2.1

f(-3)=83.1+3e

Since the defined value of e = 2.718

⇒f(-3)=83.1+3*(2.718)

⇒f(-3)=83.1+8.154

⇒f(-3)=91.25

Thus the value of f(-3)=91.25

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