19) Jason designs a rectangular structure for the bathroom. The top row will have 12 tiles. The rest will have standard and colored tiles in a ratio of 4 standard tiles to 9
colored tiles. Write a function to model the total number of tiles, T, in the design given
the number of standard tiles, n.

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how am i supposed to answer

step-by-step explanation:

1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.

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