Answer:
(f.g)(4)=187
Step-by-step explanation:
see attachment for steps
15 is 6 because 12 divided by 2 is 6
19 is 12 because 12-3 is 9
Isolate for x
First expand the bracket to
12x^2 - 15x = 12x - 5
Move everything to one side
12x^2 - 27x + 5
Use quadratic formula and sub in values
X = 2.046989
X = 0.203610
Answer:
240 a year which is 720 for 3 years
False. This number can be written as a fraction,