First put it in decreasing power according to x.
x^4-5x+8+x^2
=x^4+x^2-5x+8
Now this question is asking what is the highest degree of x you see in this function.
4 of course.
Therefore the answer to his question is degree of 4.
Done!
Recall the logarithm rules :
a^y = x is the same as log_a x = y
In this case,
a = 18
y = r - 10
x = 93
So,
18^ (r-10) = 93
is the same as
log_18 93 = r - 10
Solve for r to get :
10 + log_18 93 = r
Answer:
2
Step-by-step explanation:
(f+g)(x)
f(x)= x-3, g(x)= 2x+8
It's obviously none of the above because the true area will have a square root of 3 in it because of the equilateral triangle. They want us to find the approximate area. When I was in school the difference between an approximation and the exact answer was greatly stressed but that seems to be fading of late.
That's a rectangle less an equilateral triangle. The area of an equilateral triangle is 
which is easily derived but I won't bother here.
Answer: b
To solve for revolutions, we will have to take the distance of the travel and divide that by the circumference of the wheel.
Distance of travel = 3.67 miles
Circumference of wheel = 82.6 inches
We have to convert the inches to miles. There are 63360 inches in one mile.
Circumference of wheel = 82.6 in * (1 mi/63360 in) = 0.0013 miles
Revolutions = Distance/Circumference = 63,538.46 revolutions
