An explanation or answer?

a set of numbers is shown below:

{0, 0.4, 1, 2, 3}

which of the following shows all the numbers from the set that make the inequality 4x + 1 ≥ 5 true?
{2, 3}
{1, 2, 3}
{0, 0.4, 1}
{0.4, 1}

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: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.

answer is  

c.

36

step-by-step explanation: