Determine the domain of the function. f(x) is equal to four divided by x squared.
a. x ≥ 0
b. all real numbers except 0
c. all real numbers except 3
d. all real numbers

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr