Write the equation of a line in point slope form that passes through the point (5,9) and has a slope of -3

Write the point slope form of the equation of the line that passes through the points (5,-9).

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slope = m = (1--9)/(-6-5) = 10/-11 = -10/11

Form:: y = mx + b

Solve for "b"::

-9 = (-10/11)5 + b

Step-by-step explanation:

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what is the graph

step-by-step explanation:

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).