The function P\left(x\right)=5x+10 P ( x ) = 5 x + 10 represents the total cost in dollars, P\left(x\right) P ( x ) , of buying x x paperback books from an online book club. (a) Identify the linear term and give a possible interpretation of its meaning. (b) Identify the constant term and give a possible interpretation of its meaning. (c) State the cost of ordering 12 paperback books from the book club. (d) Determine the number of paperback books someone can order if spending no more than $50.

please help!!! 30 points