Question

What is the answer for there’s expressions

Answer 1

a) 12

b) 56

Explanation:

In this problem we are asked to plug the given a and b values into the expressions
`3b / (2a - 1) + b` and
`9b+a^4/8` then evaluate them.

`a = 2`,
`b=6`

a)
`3b / (2a - 1) + b`

↓ plug in the given
`a` and
`b` values

`3(6) / (2(2) - 1) + 6`

↓ simplify value inside parentheses

`3(6) / 3 + 6`

↓ execute multiplication

`18 / 3 + 6`

↓ execute division

`6 + 6`

↓ execute addition

`12`

b)
`9b+a^4/8`

↓ plug in the given
`a` and
`b` values

`9(6)+2^4/8`

↓ simplify exponent

`9(6)+16/8`

↓ execute multiplication

`54+16/8`

↓ execute division

`54+2`

↓ execute addition

`56`