Which of the following statements are true regarding functions?Check all that apply.A. A sequence is a function whose domain is the set of rational numbers.B. The horizontal line test may be used to determine whether a function is one-to-one.C. A function is a relation in which multiple values of the input variable are paired with at least one of the output variable.D. The vertical line test may be used to determine whether a relation is a function.

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

answer: a) 56% women

b)44% men

step-by-step explanation:

hc ghfrfgb

step-by-step explanation:

gedfgb nbgfrezrdfgbn bgfderdfgbvn bvfdsvcb bvfdfgb gfdgb gfr