Find the values of c that makes the function continuous on R f(=) = J-cr2+2 ifs 6 b) Consider the equation =21 +50 z - 1 - 0 Which of the following statement is true? O The equation has a real root in the interval (-28,5) The equation has a real root in the interval (-45,36) O The equation has a real root in the interval (-9,69) The equation has a real root in the interval (-78,79) O All of the above O None of the above c) Let f (x) = =35+ 20 x - 6 Which of the following statement is true? O There is a c in the interval (-21,23) such that f (c) = 0 Of (0) = 0 Of (z) > 0 for all z in [-21,23] Of (z)