477 Answered Questions for the topic Precalculus Homework

Precalculus Homework Inverse Functions

02/24/16

Find th inverse function of the equation
  f (x) = (9x+9)/7x
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Precalculus Homework Distance

02/24/16

maximum vertical distance?
Determine the maximum vertical distance, d, between the parabola, y = −2x2 + 4x + 9, and the line, y = 5x + (−3)  
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Precalculus Homework

02/19/16

Minimum and maximum
Use linear programming to find the ordered pairs(x,y) that maximize and minimize the objective equation P=-5y+2x subject to the following constraints x≥0, y≥0, x+3≤15 and 4x+y≤16. List the maximum... more
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Precalculus Homework

02/19/16

minimize/maximize
Use linear programming to find the ordered pairs (x,Y) that maximize and minmize the objective equation P=-2x+3y subject to the foloowing constaints: x ≥l to 0,, y ≥ to 0, x+2y≤4, and x-y≤1. List... more
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Precalculus Homework

02/18/16

Precal Help?
Two teams survey a mountain. Survey team A measures the angle of inclination to the mountain peak to be 15 degrees,and survey team B measures it to be 25 degrees. If the two teams are 4776.4 feet... more
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Precalculus Homework

02/04/16

Express the volume V of the cone as a function of h.
If the height, h, of a right circular cone is 6 times the radius, r of its base, express the volume V of the cone as a function of h.
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Precalculus Homework

02/03/16

If the second leg of his trip took 8 min more time than the first how fast was he driving between A &B?
A salesman drives from A to B a distance of 112mi. He then increases his speed by 13 mi/h to drive the 154 mi from to C. If the second leg of his trip took 8 min more time than the first how fast... more
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Precalculus Homework Mathematics

02/01/16

Finding exact value without calculator?
If tan theta = 7/24 when pi <= theta <= 3pi/2 find the exact values of sin(2theta)
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Precalculus Homework Precalculus Mathematics

02/01/16

Getting the exact value without calculator?
If cos theta = -12/13 when pi/2 <= theta <= pi and sin alpha = -3/5 when pi/2 <= delta <= pi, find tan(theta + delta)   Thanks for your help.  
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Precalculus Homework Mathematics

02/01/16

Find exact value without using a calculator?
If sin theta = -12/13 when 3pi/2 <= theta <= 2pi, find the exact values of cos theta/2   Thank you for your help
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Precalculus Homework

01/31/16

Find all points on the x-axis that are a distance 9
Find all points on the x-axis that are a distance 9 from P(7, -4) Smaller x value (   ,   ) larger x value (   ,   )
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Precalculus Homework

01/31/16

Determine whether a ball hit 4ft above ground at 115ft per sec. At an angle of 25 degrees relative to level ground will clear a 10-foot wall 310 ft away.
please help. Keep getting different type of answers
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Precalculus Homework

01/31/16

I have to find the slope-intercept form of the line with the given properties. x-intercept = 4, y-intercept = 9
this precalc is hard
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Precalculus Homework

01/31/16

I have to find the slope of the line passing through (-2, 10) and (-5,4)
Have to round to one decimal place
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Precalculus Homework

01/31/16

Find an equation of a line passing through the piont (-1,3) and parallel to the line 2x + 2y = 17
Precalc help
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Precalculus Homework

01/31/16

Find the general form of the line perpendicular to 3x +5y - 8 =0 that passes through the point (-8, 1)
Help please!
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Precalculus Homework

01/31/16

I need to find the radius of a circle given by, x^2 - 10x + y^2 + 8y = 16
rounded to 1 decimal place
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Precalculus Homework

01/31/16

Find the nth-degree polynomial function with real coefficients satisfying n=4, -3,1/4,2i are zeros; f(2)=-144
Find the nth-degree polynomial function with real coefficients satisfying the given conditions. n=4, -3,1/4,2i are zeros; f(2)=-144
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Precalculus Homework

01/31/16

determine the formula for the set of all points
a)Determine a formula for the set of all points, P(x, y), whose distance from (−2,2) is 9. (Your answer should not have a square root in it.) b)This is a circle of radius _____ , with a center at... more
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Precalculus Homework

01/31/16

simplify the expression
Simplify the expression completely.6(x + h)^2− 7(x + h) − (6x^2− 7x)                     h
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Precalculus Homework

01/31/16

SImplify the expression?
Simplify the expression into a single fraction of the form Numerator/Denominator ,and determine the numerator and the denominator as functions of u. (You do not have to factor the numerator and do... more
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Precalculus Homework Functions Word Problem

01/31/16

Express the total cost of the cylinder as a function of r?
The volume of the cylinder is 3900 cubic feet. The bottom of the cylinder is reinforced steel, costing $35 per square foot, whereas the sides and top cost just $10 per square foot. Express the... more
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Precalculus Homework Area Of Rectangle

01/31/16

Express the area of the sidewalk as a function of x.
A garden is in the shape of a rectangle. A sidewalk of width 5 ft surrounds the garden. One side of the garden has length 20 ft. The other side has length x. Express the area of the sidewalk as a... more
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Precalculus Homework

01/30/16

Express the total area A enclosed by both squares (in sq.in.) in terms of x.
A piece of wire 13 inches long is cut into two pieces and each piece is bent into a square. If x denotes the length (in inches) of the first piece, express the total area A enclosed by both squares... more
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Precalculus Homework

01/30/16

Express the product of the two numbers as a function of x.
The sum of two numbers is 85. Let x denote one of the numbers. Part 1: Express the product of the two numbers as a function of x.   Part 2: Express the sum of the square roots of the two numbers... more
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