04/27/21

f′′(x) = 1x−1 and f′(−2) = 6 and f(−2) = −6. Find f′(x) and find f(2)
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04/16/21

Prove that g(x)=7x^3+2 and g^-1(x)=cube root(x-2)/7 are inverses of each other using the compositions
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04/15/21

Find the exact value of each expression, if it exists.
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03/24/21

Calculus Question

Suppose the cost function for producing gadgets is C(q)=0.05q2+4q+40At what production level is the maximal profit achieved if each item is sold for 7 dollars? Answer:  What is the maximum profit... more
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01/19/21

To solve √5x-6-3=5, what would be the 1st and 2nd step?
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12/29/20

Proof problem about divisors
Prove that number n = p1z1 p2z2 ... pkzk has (z1+1)(z2+1)...(zn+1) divisors.
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12/14/20

cotangent and tangent

if cot A=0.825 find tan A
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12/14/20

What is the end behavior for f(x) = log (x^3) ?
Feel free to explain your answer if you want
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12/14/20

CONVERT DEGREES AND MINUTES

convert 45.4° to degrees and minutes
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12/14/20

Complementary angles URGENT

find an angle that is complementary to another angle that measures 20°22'31"
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12/14/20

Find the coordinates of point P along the directed line segment AB so that AP to PB is the given ratio. A(−8, 0) , B(−3, 5) ; 2 to 3
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12/06/20

Consider the function f(x)=6√x+4 on the interval [4,6]. Find the average or mean slope of the function on this interval.
Consider the function f(x)=6√x+4 on the interval [4,6]. Find the average or mean slope of the function on this interval.   By the Mean Value Theorem, we know there exists a c in the open interval... more
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12/05/20

How to find the plane to the surface with parametric equations below?
Find the tangent plane to the surface with parametric equations x(u,v)=u2+2u, y(u,v)=3v-2u, z(u,v)=6v-10 at point (8,14,2).
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11/30/20

algebra factoring
2x^2+15=-11x and 3x^2=-4x
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11/13/20

solve 1+sinθ=2cos2θ on the interval 0≤θ<2π.
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11/10/20

A wheel with a diameter of 8 inches completes 15 revolutions in 3.5 seconds. Find the linear speed of the edge of the wheel in inches per second.
A wheel with a diameter of 8 inches completes 15 revolutions in 3.5 seconds. Find the linear speed of the edge of the wheel in inches per second. Round to the nearest whole number.
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11/10/20

The points J,K,L and M all lie on the same line segment, in that order, such that the ratio of JK : KL: LM Is equal to 2:1:2.if JM=30, find JL
Can someone help me with the problem please
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11/10/20

Math for extra credit
If a and b are the solution to the equation below what is the value of |a - b||2x + 1| - 3 = 2
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11/10/20

Consider the following. f(x) = 9|x − 3| x − 3 Find the x-value (if any) at which f is not continuous. Is the discontinuity removable? (Enter NONE in any unused answer blanks.) x = ;

Consider the following. f(x) = 9|x − 3| x − 3 Find the x-value (if any) at which f is not continuous. Is the discontinuity removable? (Enter NONE in any unused answer blanks.)x =  Is it... more
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11/10/20

Discuss the continuity of the function on the closed interval.
Discuss the continuity of the function on the closed interval. Function     Interval f(x) =  2 − x,     x ≤ 0 2 + 1 2 x,     x > 0     [−1, 2] The function is continuous... more
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11/07/20

solve for x a⋅(5-x)=bx-8
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10/31/20

PART B: CHOOSE 2 From this Part! State the number of complex roots and the possible number of real and imaginary roots for each equation. Then find all roots.
1) f (x) = x 3 + 2x 2 - 8x 3) f (x) = x 3 + 2x 2 - 3x2)f (x) = x 3 + 5x 2 + 6x 4) f (x) = x 3 - 9x 2 + 20x
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10/31/20

PART A: CHOOSE 2 From this Part! State the number of complex roots and the possible number of real and imaginary roots for each equation. Then find all roots.
1) x 2 (x + 2)(x - 5) = 0 3) (x 2 + 7)(x 2 + 5) = 02) (x 2 + 9)(x 2 + 6) = 0 4) (x - 2)(x + 2)(x 2 + 4) = 0
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10/31/20

Identify all zeros for the function f(x)=x^3-29x^2+105x-125.
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10/31/20

Find f(g(x)) and g(f(x)) for the pair of functions.
f(x)=x^2+5g(x)=x-10
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