2,684 Answered Questions for the topic SAT math

03/11/24

Calculus Help!! :)
A farmer wants to fence in a rectangular field. The farmer must use a different type of fencing for each pair of parallel sides of the field. One type costs $10 per metre, and the other type costs... more
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03/11/24

Calculus Help!!!

Evaluate lim x→0 (2sin(x)−sin(2x))/(2e^x −2−2x−x^2)
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03/11/24

calculus Help!!!
Consider the function defined by f(x)= ln( sqrt(|1−x^2|)). •a) State the domain of this function. b) Determine the derivative of ln(sqrt(|1−x^2|)).Be careful to show your work.
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03/10/24

Parametric equation
Please help with this problem:Parameter p is a given integer. Find all integer solutions of the equation: (p+1/p)⋅(x−1/x)+(p−1/p)⋅(x+1/x)=4px+5+1/pI appreciate any help you can provide.
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03/10/24

Fractional part function math problem
I found this intriguing math problem online but can't get along with it.I appreciate any help.Prove that if "n" is a natural number, then there is no integer in this interval.[\sqrt(16n+21);... more
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Sat Math

03/08/24

one lesson free and recording
Hi,I would like to get one lesson for free, what should I do?I couldn't see my son's lesson recording yesterday.
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03/04/24

I need help with this, i think you are supposed to use matrices or something

Assume this is a closed Leontief model. We assume that in a village there are farmers, carpenters, and tailors, who provide the three essential goods: food, housing, and clothing. Suppose the... more
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02/27/24

help out :) calculus
Use the implicit differentiation method to find the equation of the line that is tangent to the curve e ^ (- (x ^ 2 + y)) = x + y + 1 at the point P(1, 1).
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02/27/24

calculus help urgent
I have this question I got the answer but I think I am wrong cause idk what it means by [0, infinity). If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, infinity), find the... more
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02/27/24

helpppp! calculus
If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, 0), find the derivative of the inverse function by using the formula (f ^ - 1)' * (x) = 1/(f' * (f ^ - 1 * (x)))
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02/27/24

helpp!! :) Calculus
Find the equations of all lines that are tangent to the graph of the function f(x) = x ^ 2 + 1 and pass through the point P(1,0). Be careful: this point is not on the graph of f.
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Sat Math

02/26/24

6 more than the quotient of a number and 4 equals to 2
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02/26/24

helpppp! calculus
If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, 0), find the derivative of the inverse function by using the formula (f ^ - 1)' * (x) = 1/(f' * (f ^ - 1 * (x)))
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Expert Answers •1

02/26/24

helpp!! :) Calculus
Find the equations of all lines that are tangent to the graph of the function f(x) = x ^ 2 + 1 and pass through the point P(1,0). Be careful: this point is not on the graph of f.
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Expert Answers •2
Sat Math

02/19/24

Interval Estimates for the mean when the variance is known
Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E. that corresponds to a sample of size 214 with 49 successes at a confidence level of... more
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02/12/24

Determine the following elementary matrices and their inverses. URGENT
No one answered my question the other time I posted. I'm not sure why I'm getting this question wrong. I have one last attempt. Please help asap! Here's the link to part 1:... more
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02/12/24

calulus help plz
) Find all the real values of a and b such that the function f(x)=\ [[(sin^2 (2x))/(a * x ^ 2), ifx > 0], [b, ifx = 0], [arctan(1/(x ^ 2)), ifx < 0]] is continuous.
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02/12/24

Calculus help!!
A certain differentiable function / has a tangent line y = pi/2 * x - pi/2 at the point on its graph where x = 1 If g is another function defined by g(x)= sin(3f(x)) +( tilde f (x))^ 2 ] what is... more
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02/12/24

help out :) calculus
Use the implicit differentiation method to find the equation of the line that is tangent to the curve c ^ (- (x ^ 2 + y)) = x + y + 1 at the point P(1, 1).
Follows • 2
Expert Answers •1

02/12/24

helpp!! :) Calculus
Find the equations of all lines that are tangent to the graph of the function f(x) = x ^ 2 + 1 and pass through the point P(1,0). Be careful: this point is not on the graph of f.
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Expert Answers •2

02/12/24

help with this calc question plz :)
If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, 0), find the derivative of the inverse function by using the formula (f ^ - 1)' * (x) = 1/(f' * (f ^ - 1 * (x)))
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Expert Answers •2

02/09/24

Solve for X (Linear Algebra)
I keep getting this question wrong and I have no idea how to do this. It would be really appreciated if you can help me. Here's the link to the example: https://ibb.co/pjTMyg2
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02/06/24

Graph help for tranfromation, reflection stuff. PLease help out :)
a graph of f(x)=1/4|cos(pi(x-1/2))-3| Can you tell me all that is happening here including the transformations, reflection, stretch/compression, shifts, etc, and the vertex and x/y values, and how... more
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02/06/24

plzz help, urgent (calculus)
evaluate tan(sin^-1(1/4)). g(x)+ (x-1)/(x+2). a) what is the domain of g(x) b) verify (with sketch and or other argument) that g is a one-to-one function. c)find a formula for the inverse function.... more
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02/06/24

plzz help urgent, calculus :)
Solve the following two problems related to trigonometric functions and their inverses:(a) Solve the equation cot x = 2sin(2x) for x E [0,pi}.(b) Evaluate tan(sin^-1(1/4)).
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