What is true about the relationship between rational numbers and integers?
question 1 options:

a) all rational numbers are integers

b) all integers are rational numbers

c) no relationship between integers and rational numbers

d) some integers are rational numbers

B) All Integers are Rational Numbers

Step-by-step explanation:

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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!

if im not mistaking its

step-by-step explanation: