Answer:
Step-by-step explanation:
x = last month
y = this month
y = 2x + 7
y = 43
43 = 2x + 7
43 - 7 = 2x
36 = 2x
36/2 = x
18 = x <== he sold 18 gym memberships last month
Answer:
8/3 ( Fraction Form), 2.6 ( Decimal Form), 2 2/3 ( Mixed Number Form)
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.
When b=0
f(x)=ax^2+c
test each
A. with x^2-1, A is false
B. with -x^2-1, B is false
C. cannot find contradiction
D. the axis is actually x=0, 0 is nithere positive nor negative, false
answer is C
Step-by-step explanation:
Y=1/3-3/1
-x+1= 1/3-3/1
= -3+1
= -2.
