5. A plumber fixed a leaky sink and charged $55 for parts and $45 per hour for labor. The total bill was $190. Write an equation that could be used to find how many hours (x) the plumber spent fixing the sink?

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

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step-by-step explanation:

see attached

step-by-step explanation:

given the function as;

write the equation replacing f(x) with y

form   and fill a table containing values of y with corresponding values of x

you can take a range for   values of x as -3≤x≤3

solving for x=-3

for x=-2

repeat the same procedure to get the values of y for the remaining ,x=-1 to x=3

plot the values of y against values   of x and obtain the following graph