3x4 + 12x3 – 5x2 – 18x + 8 -
The ends of the graph point in opposite directions
The ends of the graph both point down
The graph has a y-intercept of 8
The degree of the function is even

( x - 1 )( x + 4)(3x to the power of 2 + 3x - 2) Pls thx! :D

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.