Answer:
80
Step-by-step explanation:
first, put in (5x-4) for the x in g(x).
g(f(x))=(5x-4)^2 -1
now, FOIL and simplify.
25x^2-40x+16-1
25x^2-40x+15
now, plug in -1 for x.
25(-1)^2-40(-1)+15
25+40+15
80
Answer:b is the right choice hopefully dont be mad if it is wrong
Step-by-step explanation:
18* is 18 above 0. -12* is 12 below 0.
So add: 18+12=X. The difference in temperature is X :)
