Please help me answer this last question. The function shown describes f(x), the cost (in hundreds of thousands of dollars) of making x bicycles (in thousands).

f(x)= 1.25 + 0.35x
B. What is the cost to make 4,000 bicycles? Show your work.

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

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Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4