Which sets of numbers are closed under addition?
choose all answers that are correct.
a.
whole numbers
b.
natural numbers
c.
negative integers
d.
integers

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.