Using the formula C=59(F−32), what is the Fahrenheit temperature when the Celsius temperature is 45° F? Round to the nearest degree. A. 7°F
B. 57°F
C. 113°F
D. 156.6°F

5+2x=a

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answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation:

answer: 12/52

step-by-step explanation: my reasoning is that there are 12 face cards in a deck and a total of 52 cards in all.