4(3+5×3)÷9
4(3+15)÷9
4(18)÷9
72÷9
8
He would pay 1.40 for the four mini muffins and he could buy 7 mini muffins with $3
QUESTION 1
The first function is

A function of the form

has amplitude equal to

The amplitude of

is

QUESTION 2
The given function is

A trigonometric function of the form

also has an amplitude of

The amplitude of

is

QUESTION 3
The given trigonometric function is

The amplitude of this trigonometric function is

QUESTION 4.
The given trigonometric function is

The amplitude of this cosine function is
Answer:
−27x5
Step-by-step explanation:
Any that has x-0: second and third.