Let f: a? b be an injective function where a is an infinite set and b is a denumerable set. prove that a is denumerable

Which of the following graphs represents the function f(x) = 2^x

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15