Arectangle has a length of 10 inches and a perimeter of 48 inches. which equation could be used to find the width of the rectangle?
a. 48 = 10w
b. 48 = 20 – 2w
c. 48 = 40w
d. 48 = 20+2w

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).

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g