Answer:
<h2>f(0) = -4</h2>
Step-by-step explanation:

Answer is 7.
55+5X=90
5X=90-55
5X=35
X=35/5
X=7
Answer: 4
Step-by-step explanation: 2 + 2 = 4
Answer:
50% increase.
Step-by-step explanation:
(New Value - Initial Value)/(Initial Value) * 100 = percentage increase or decrease
(The formula)
Answer:none of these
Step-by-step explanation: