Find the value of given expression

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What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.