Line l has a slope of 13/7. The line through which of the following pair of points is perpendicular to l?

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

How do you write something in scientific notation?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)