Answer:
x.
Step-by-step explanation:
If h(x) is the inverse of f(x) them h(f(x)) = x.
There are several ways, but the general format follows f(x) = ax2 + bx + c f(x) = ax² + bx + c, where A, B, and C are non-zero numbers. Another way of finding a quadratic equation is examining the graph of it, you'll notice a "U" shape called a parabola, which come in many shapes but they all retain a "U"-like curve.
Answer:
Step-by-step explanation:
hello :
X + 1/4x = 15
multiply by 4 : 4x+x = 60
5x=60
now divid by 5 you have : x=12
Answer:
3 hours 39 minutes
Step-by-step explanation:
4:33 + 0:39 = 5:12
5:12 + 3:00 = 8:12
Answer:
A town with 600 people need 10 firefighters
A town with 1500 people will need 1500 x 10/600 = 1500/60
= 25 firefighters
Hope this helps!
