1,642 Answered Questions for the topic Math Help For College
04/23/14
Intermediate Value Theorem
For f (x) = x^4 – 3x^2 − 8, use the Intermediate Value Theorem to determine which interval must contain a zero of f. Work/Explanation required
4. _______
A. Between 0 and 1
B. Between 1 and...
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04/23/14
function help please
Let f(x)= 6x^2-6
x^2-7x+10
(a) Write f(x) with the numerator and denominator completely factored.
(b) State the domain.
(c) State the vertical asymptote(s).
(d) State...
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04/23/14
Help please please
Solve (x^2-9)/x<=0 and write interval notation for the solution set. Show careful algebraic work/explanation.
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04/23/14
polynomial function help
Find all of the zeros of the polynomial function and state the multiplicity of each. f (x) = x^3(x^2 – 81)
Show work/Explanation
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Math Help For College Inverse Functions
04/23/14
help help help help
For the following if the function is one to one, find the formula for the inverse and show all work.
f(x)=5x+8
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04/21/14
inequality help please
Solve the inequality x(x - 3)(x +5) < 0 and express the solution set in interval notation. Show Work.
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04/21/14
absolutes help show work
Solve the absolute value inequality and write interval notation for the solution set. (show all work)
a) | 5 - 6x | ≥ 7
b) | 6x – 5 | < 9
04/21/14
One to One help
For the following if the function is one to one, find the formula for the inverse and show all work.
a) f(x)=7-x
b) f(x)= 5x+8
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Math Help For College Math
04/20/14
Help me please
A jumbo bag of potato chips contains 18 ounces of chips. The recommended serving is 0.75 ounce. How many servings are in the jumbo bag ?
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Solve ,equation ,check all proposed solutions Show work
Solve the equation. Check all proposed solutions. Show work in solving and in checking.
√(x+7)-5=x
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Solve the equation. Check all proposed solutions. Show work in solving and in checking.
Solve the equation. Check all proposed solutions. Show work in solving and in checking.
x + x = 102
x-3 x+3 x^2-9
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04/16/14
gina bough the following.......
Gina bought the following items: 0.45 kg of oranges at $3.80 per kg, one can of mushrooms for $0.75, one package of chicken breasts for $5.75, and 0.6 kg of tomatoes at $5.40 per kg. She also needs...
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04/15/14
volume help. show work
At A water tank is being filled by water being pumped into the tank at a volume given by the formula, P(t) = 60t +1060, where t is in minutes. At the same time the water tank has a leak and the...
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Consider the equation. show work
Consider the equation 9x2 + 12x - 5=0.
(a) Find and state the value of the discriminant, b2 – 4ac. Then state whether one real-number solution, two different real-number solutions, or two...
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Equation help
Consider the equation 9x2 + 12x - 5=0.
(a) Find and state the value of the discriminant, b2 – 4ac. Then state whether one real-number solution, two different real-number solutions, or two...
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solution of the equation
Find the solutions of the equation 2x2 + 6x = 1. Show work
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complex numbers
perform each of the following calculations involving complex numbers, and write the answer, simplified as much as possible, in the form a + bi, where a and b are real numbers.
1. (4+2i) – (6 –...
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calculate please
Calculate and show work
a) 5[3-8*3^2+4*6-2]
b) [4(8-6)^2 +4](3-2*8)
2^2(2^3+5)
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Determine the domain
Determine the domain of the functions show work
a) f(x)= 1/x^3
b) f(x)= (x+4)^2/4x-3
c) f(x)= x^2+3x-10/x^2=2x
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simplify show some work
Simplify and show work
((8x^9y^3)/(27x^-3y^12))^(1/3)
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points help show work
Consider the points (4,-7) and (-6, 13).
(a) Find the midpoint. Show work.
(b) If the point you found in (a) is the center of a circle, and the other two points are points on the circle, find the...
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points help
Find the slope-intercept equation of the line perpendicular to the line x - 3y = 4 and containing the point (6,-9). Explain/show work.
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functions help please
Let f(x)=x^(3 )-7x. Determine if this function is even, odd or neither. Explain/Show work.
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04/09/14
Word problem show work please
A farmer is planning to put in a garden next to his barn. He is planning to fence in the garden on three sides (the barn will make the fourth side). He has 100 feet of fencing to use. Find an...
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State the domain of the quotient
State the domain of the quotient f / g where f(x)=x-3 and g(x)=√x-1 Explain and show work
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