Question

Evaluate a(b(n)) for a(b) = 3b and b(n) = 2n – 5 when n = 5

Answer 1

Answer:

15

Step-by-step explanation:

B(N) = 2(5) - 5= 5

A(B) = 3(5) = 15

Answer 2

For a(b) = 3b and b(n) = 2n – 5 when n = 5, The value of a(b(n)) is 15.

What is a system of equations?

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

We have to Evaluate a(b(n)) for a(b) = 3b and b(n) = 2n – 5 when n = 5

First;

b(n) = 2n – 5

when n = 5

b(5) = 2(5) – 5

b(5) = 10 - 5

b(5) = 5

we can also write as;

a(b(n)) = 3b(n)

Now put b(5) = 5

a(b(n)) = 3b(5)

          = 3 (5)

          = 15

Thus, The value of a(b(n)) is 15.

Learn more about equations here;

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