Evaluate. (15+35)2 × 52 + 15

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

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

To determine the number of deer in a forest a forest ranger tags 280 and releases them back