Which of the following pairs of lines are perpendicular? select all that apply a. y = 2x + 5 and y = -2x + 5 b. y = -4x + 5 and y = 1/4x + 5 c. y = 2 and y = -2 d. y = x + 4 and y = -x + 4 e. y = -3 and x = -3 f. y = 2/5x + 5 and y = 5/2x - 2

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

The function f(x) is shown in this graph the function g(x)=6x