What is the mathematical term for a true mathematical statement ?
Theorem
Evaluate the limit as x approaches -3 of 6+4x/x2+1
-3/5
A water tank in the shape of an inverted circular cone with base radius 2 meters and height 4 meters. If water is being pumped into the tank at a rate of 2m3/min, find the rate at which the water level is rising when the water inside is 3 meters deep.
8/9pi m/min
H(x) = 3x7-6x4+8x3-12x+8
21x6-24x3+24x2-12
Find the integral of (6+2y)dy
6y+y2+c
What is the mathematical term for the reverse operation of derivatives ?
Integral
What is the limit as x approaches 3 of x/x-3
DNE
A plane flying horizontally at an altitude of 1 mile and a speed of 500 miles/h passes directly above a station. Fine the rate at which the distance from the plane to the station is increasing when it’s 2 miles away from the station
250/(radical 3)miles per hour
Find g’(x)
g(x) = (x2+1)(x2-2x)
4x3-6x2+2x-2
Find the integral of 3/x4
-x-3+c
What is the formula for finding the derivatives of a composition of functions ?
Chain rule
What is the vertical asymptote of f(x)= x2+x-12/2x+8
-7/2
A spherical balloon is being inflated at a rate of 100 cm3/sec. How fast is the radius of the ballon increasing when the diameter is 50 cm ?
Dr/dt = 1/25pi cm/sec
Find f’’(x) of 2=ln(7-x3)
-42x-3x4/(7-x3)2
Find the integral of (2-1/x5+7/x3)
2x+x-4/4-7/2x-2+c
What is a number that is equal to the exponent on a given base that would give that number ?
Logarithm
What is the limit as x approaches -3 of 3x(1/x+1/3)/3x(x+3)
-1/9
A 400 pound stone dropped in a pond send a circular ripple whose radius increases at a constant rate of 4 ft/sec. After 12 seconds how rapidly is the area included by the ripple increasing?
384pi ft2/sec
Find f’(x) of 2xsin(x)+x2ex
Xex(x+2)
Find the integral of x3-4x-1/2x3
1/2x+2x-1+1/4x-2+c
What is a certain kind of visualization of a differential equation ?
Slope field
{cosx-sinx When x is greater than or equal to pi x-pi-1 X>pi
-1
A 500 13ft ladder is leaning against a wall when its base starts to slide away from the wall. By the time its base is 12ft from the wall, the base is moving at the rate of 5ft/sec. How fast is the top of the ladder sliding down the wall ?
-12ft/sec
F’’’(x) of 4x3/5-1/8x-2-x1/2
168/126x-17/5-15x-6+15/16x-7/2
f”(x)=2, f’(1)=4, f(1)=8
Solve the differential equation with the given initial conditions
X2+2x+5