Given f(x)=4x2+19x−5 and g(x)=4x2−x .

What is (fg)(x) ?

xx+5 where x≠0, 5
−19x+5x where x≠0, 14
x+5x where x≠0, 14
−x19x−5 where x≠0, 519

THE RIGHT ANSWER IS THE
x+5x where x≠0, 14
I TOOK THE TEST

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

answer: 819.89 miles across america

step-by-step explanation:

85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560