Write a cosine function that has an amplitude of 4, a midline of 5 and a period of ſ.
f(x)
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Which of the functions graphed below has a removable discontinuity?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.