Suppose that fis a one-to-one function, and f-1 is its inverse. Suppose also that h(x)-4 and g(x) = x2 + xsec x. Which of the following do we not know to be true?

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?