2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Prealgebra Precalculus

10/16/20

T={(2,4),(−5,1),(2,0),(2,−2)}
determine if the relation is a function. If it is not, identify two ordered pairs as proof.
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Pre Calculus Math Calculus Precalculus

10/16/20

Use the properties of logarithms to condense the expression. (Assume x > 5.)
Use the properties of logarithms to condense the expression. (Assume x > 5.)5[2 ln(x) − ln(x + 5) − ln(x − 5)]
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Pre Calculus Math Calculus Precalculus

10/16/20

Rewrite the logarithm as a ratio of common logarithms and natural logarithms
Rewrite the logarithm as a ratio of common logarithms and natural logarithms.log6.8(x)
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Pre Calculus Math Precalculus

10/16/20

Need help on this problem

Find two functions f and g such that (f ∘ g)(x) = h(x). If h(x) = (4x-3)^3, what is f(x) and g(x)
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Pre Calculus Math Precalculus

10/16/20

Precalculus help

Write an equation for the function that is described by the given characteristics.The shape of f(x)=x^2 , but moves two units to the right and eight units downward.
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Pre Calculus Math Precalculus

10/16/20

How do I solve this

Evaluate the function for the given values.h(x) = [[x+3]] a. h(-2) b. h(1/2) c. h(4.2)d. h(-21.6)
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10/15/20

Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions.
Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing​ utility, use it to graph the function and verify the real zeros and the... more
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Pre Calculus Math Precalculus

10/15/20

Need help with math
How do I write the standard form of an equation of a circle if Center: (-1,2); solution point: (3,4)
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Pre Calculus Polynomials

10/15/20

Find all the zeros of the polynomial function.
Find all the zeros of the polynomial function. Use the Rational Zero​ Theorem, Descartes's Rule of​ Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in... more
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Pre Calculus Math Precalculus

10/15/20

Need help with pre calculus

If f(x)=x^2 and g(x)= 4x-5, what is a. (f+g)(x) b.(fg)(x)c. (f ∘ g)(x)
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10/15/20

A wheel with diameter 32 inches completes four revolutions in 0.5 seconds. Find the linear speed of the edge of the wheel in inches per second. 
A wheel with diameter 32 inches completes four revolutions in 0.5 seconds.Find the linear speed of the edge of the wheel in inches per second. Round to the nearest whole number. Linear speed... more
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10/15/20

A 55 foot tall radio tower r feet from an observer subtends an angle of 3°.
A 55 foot tall radio tower r feet from an observer subtends an angle of 3°. Use the arc length formula to estimate r(the distance between the observer and the radio tower) to the nearest... more
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Pre Calculus Polynomials

10/15/20

Solve the Polynomial equation.

Use the Rational Zero Theorem, Descartes's Rule of​ Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first root. x^4-4x^3-57x^2-62x-10=0
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Pre Calculus Math Equations Mathematics

10/15/20

Multi-variable Composite Function
If f(x)=x^4+8, g(x)=x-6, and h(x)=sqrt(x), then what would f(g(h(x))) equal?
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10/15/20

Confusing Composite Functions
The original function is h(x)=1/x+4, which is expressed in f(g(x)) as g(x)=x+4. What would the form f(x) be defined as?
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10/14/20

Composite Function Conundrum
The problems given are:f(x)=x2 -9x and g(x)=x-7I already found (f o g)(x) and (g o f)(x). But now I need (f o f)(x) and (g o g)(x)
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Pre Calculus

10/13/20

what is the equation of the line that passes through the point (7,4) and parallel to the line 2x-7y=-6
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10/12/20

(0,5) is on the terminal arm of angle theta in standard position. Calculate sin theta.
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Pre Calculus

10/10/20

I don’t know where to begin
A box with a hinged lid is to be made out of a rectangular piece of cardboard that measures 4 inches by 9 inches. Six squares will be cut from the cardboard: one square will be cut from each of the... more
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Pre Calculus

10/09/20

Find the angle between 0 and 360 that is coterminal with 875
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Pre Calculus

10/08/20

suppose h(x) =√3-2x^2. find two functions f and g such that (f°g) (x) =h(x)
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Pre Calculus

10/05/20

csc x/4= square root of 2
Solve the multiple angle equation
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Pre Calculus Math Precalculus

10/04/20

Find the sinθ and cosθ, if cotθ=4 and 0<θ<pi/2.

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10/02/20

Find the coefficient "a" of the given term in the expansion of the binomial.
Binomial: (2x - 5y)10 Term: ax5y5I'm supposed to come up with a large number but I have no clue how to do that
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10/02/20

Find the coefficient "a" of the given term in the expansion of the binomial.
Binomial: (4x - y)12Term: ax3y9The problem also needs to be a a large number but i have no idea how to get to that point
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