07/18/21

linear combination of the basis vectors

Consider the set of vectors in R3 given by a1=(1, 0, 0), a2=(1,-2,0), a3=(0,0,1).Write the vector x=(1, 2, 5) as a linear combination of the basis vectors a1, a2, a3.
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07/16/21

Exponential & Log Functions
Evaluate, using the properties of log. log2 2 + log2 4 + log28 +⋯+ log2262144. 
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07/15/21

The area of a rectangle is represented by the expression 2x^2 - 3x - 20in^2. I have to find the dimensions of the rectangle, include units, and leave my answers as binomials.
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07/15/21

Solve the equation  6(9)^x-17(3^x)+5=0 and determine all solutions to the equation: 2^(3x)+2^(2x)-26(2^x)+24=0
Solve the equation 6(9)^x-17(3^x)+5=0 and determine all solutions to the equation: 2^(3x)+2^(2x)-26(2^x)+24=0
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07/15/21

How can a rational function switch between positive and negative intervals without an x-intercept? Why is this an important factor to think about when solving an inequality?
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07/14/21

suppose B=(-3,-6,-2) and AB->= <4,-11,4> then A=?
suppose B=(-3,-6,-2) and AB->= <4,-11,4> then A=?
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07/12/21

Complete the square:
y = x2 - 6x - 16(A) y = (x - 4)2(B) y = (x - 3)2 - 16(C) y = (x - 8) (x + 2)(D) y = (x - 3)2 - 25(E) none of these
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07/11/21

Can you please explain this problem with the answer

On Monday Harold picked up four donuts and two large coffees for the office staff. He paid $4.74. On Tuesday Melinda picked up two donuts and five large coffees for the office staff. She paid... more
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07/09/21

trigonometric math

Solve 3cos(3x)=2 for the smallest three positive solutions.Give your answers accurate to at least two decimal places, as a list separated by commas
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07/09/21

Solve this problem
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07/08/21

What would log3 =
20•log3(11y)=log 3 ( )
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07/08/21

What would f(x)=
Express the function f(x)=log 2 (8^ 2x+9 16^ 9x+3 ) without logarithms . f(x)=
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07/07/21

Prove that the set S= {[1, 2, 1]. [1, 0, 2]. [1, 1, 0]} spans R^3
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06/30/21

What is the relation between y=sinx and y=cosx ? Explain it in 3-5 sentences..
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06/30/21

What are the coordinates for the angle π/4 on the unit circle?
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06/27/21

Algebra Equation

2x+3y=-33x-2y=28solve
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06/26/21

Find the answer of equation

If the point (8, 2)  is on the graph of the function f, then the point (x, y) =      is on the graph of f −1.
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06/26/21

Find indicated values

A graph of a function is given. Use the graph to find the indicated values.(a)    f −1(3)(b)    f −1(5)(c)    f −1(6)
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06/26/21

Find the inverse function

Find the inverse function of f. f(x) = x x + 8 f −1(x) =  
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06/25/21

Calculus HW Question
How would I find the Taylor Series of f(x) = 7/x^2 at a=1 and expand to 4 terms.
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06/25/21

Is W a subspace of V?
Let V=R^3 and let W={(x, y, z) ∈ R^3| x=3y}Is W a subspace of V?If it is, find a basis and dimension for this subspace
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06/22/21

Find F. f '(t) = (4) / 1 + t^2 f(1) = 0
f '(t) = (4) / 1 + t^2 f(1) = 0Please show all work and answer
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06/22/21

Find the limit. Use I'Hospital's Rule where appropriate.

lim x → 0 (x4^x) / (4^x − 1)
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06/22/21

Calculus Vector
Let a=<0,−4,3> and b=<−1,−3,2>. Find the angle between the vector (in radians) rounded to 4 decimal places.
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06/21/21

Find f. (Use C for the constant of the first antiderivative, D for the constant of the second antiderivative and E for the constant of the third antiderivative.)
f'''(x) = sqrt(t) - 6 cos t, determine f(x)
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