Alma wants to swim one lap in the pool as fast as her friend blanca, who can swim one lap in 1 minute and 23 seconds. alma started swimming her lap in the pool 57 seconds ago. how much time does alma have left to finish her lap if she wants to tie blanca's time?

Blanca has 1 minute and 23 seconds
Alma has 57 seconds so far
1.23-0.57=0.66 seconds

Alma has 66 seconds or 1.1 minutes left to finish her lap if she wants to beat Blanca

Hello!

The given equation can be rewritten to read as follows:

(f · g)(x) = f(g(x))

In other words, insert the given value of g(x) in place of the variable found in f(x) as follows:

f(5x² – 3) = 2(5x² – 3) – 2

Now simplify the right side of the equation:

f(5x² – 3) = 10x² – 6 – 2

Combine like terms:

f(5x² – 3) = 10x² – 8

We have now proven that (f · g)(x) is equal to 10x² – 8.

I hope this helps!