Answer :
The equation in function notation for the total cost of the book club will be y = 20x + 12.
An equation is a claim that demonstrates the equality of two mathematical expressions, according to algebra. For instance, x + 9 = 10 is an equation, in which x + 9 and 10 are two expressions separated by an 'equal' sign.
Considering that Genesis must pay $12 to join the book club.
Per month fee = $20.00
We are aware that a linear function's slope-intercept form is
y = mx + b
where m is the slope and b is the y-intercept
Since the slope is another name for the rate of change.
The rate of $20 would be referred to as the slope = m = 20.
One-time charge is $12.00, hence the y-intercept is equal to b = 12.
Thus, the equation becomes
Y= mx + b
Here y = represents the total cost
x = represents the duration
m = represents the rate of change = 20
b = represents the y-intercept =12
y = 20x + 12
Therefore, an equation in function notation for the total cost of the book club will be y = 20x + 12
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