Answer: f^-1(x) = (y - 7)/11
Explanation:
f(x) = 11x + 7
y = 11x + 7
y - 7 = 11x
(y - 7)/11 = x
Answer:
yes
Step-by-step explanation:
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Make a proportion using the ratio (A:B) given and number of As and Bs really gotten in the class (
)

Cross multiply
2 * 40 = 5 * A
80 = 5A
Isolate A by dividing 5 to both sides
80/5 = 5A/5
16 = A
If 40 people in the class got B's then 16 people got A's
Hope this helped!
~Just a girl in love with Shawn Mendes
Answer: 12
Step-by-step explanation:
C=12 because u do 91+53 =144 then 144/12=12
C=12
Answer:
3
Step-by-step explanation:
Every time x increases by 1, y is multiplied by 3.