Hannah’s after-school job is tutoring math. The profit she earns is modeled by the function P(x) = 20x, where x is the number of hours, to the nearest whole hour, she tutors. What is an appropriate domain for the function? A.

all negative integers

B.

all integers

C.

all positive integers

D.

all real numbers

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

What is the solution of the equation? 35√(x+2)3+3=27

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices