Which expression is equivalent to 4a+2b A. a+a+a+a+b+b
B. 4+2+a+b
C.6(a+b)
D.4+a x 2+b

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Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.