Answer:
Step-by-step explanation:
To find the inverse of a function you take it in y=f(x) form, switch x and y and then solve for the new y.
So I'll do the first one.
f(x) = 8x-10
y=8x-10 Now switch x and y
x = 8y-10 Now solve for y.
x+10=8y
(x+10)/8 = y
g(x) is not that, so it is not the inverse. Can you figure out the second one?
Answer: 64 mph
We can see that after every hour, the car has traveled 64 miles. So the speed rate is 64 miles per hour.
$143
add the two discounts of 25 and 10 percent. then your item will be 65% of the price now.
Answer:
(See explanation for further details)
Step-by-step explanation:
The real expression is:
The general equation for the second-order polynomial is:
This condition must be observed for the case of a quadratic equation with equal roots:
