Answer:
Step-by-step explanation:
A function assigns exactly one output to each input of a specified type. It is common to name a function either f(x) or g(x) instead of y. f(2) means that we should find the value of our function when x equals 2. Example. f(x)=x+7.
I believe it is an imaginary number because imaginary numbers are square roots of negative numbers.
$80-$2= $78 is the number less than $80, since the pens cost $2
78/2= 39 pens is the greatest number of pens sold
hope this helps
Answer:
23 i think im not allway right
Step-by-step explanation:
Answer:
x = 15
Step-by-step explanation:
=> x - 3 = 12
=> x = 15