How can you find f(2) if f(x) = 3x2 – 2?

10

Step-by-step explanation:

Plug in 2 for x.

f(2) = 3·(2)²-2

=3·4-2

=12-2

=10

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours

b.   e = 7.5h

hope this , lovely!