Algebra question and answers for July 28, 2023
- Q The x-intercepts of the function f(x) = x^4 + 1 are:a) 1b) 1, -1c) 0d) there are no x-intercepts for the function
- Q The set B=(1-t, 2t+t. 1+t-t2) is a basis for P?. Find the coordinate vector of p(t) = 1 + 12t+ 6t relative to B.
- Q The set B=(1-12, 2t+t, 1+t-1} is a basis for P?. Find the coordinate vector of p(t) = 1 + 12t+6t relative to B.
- Q One of the more useful identities that students almost inherently learn is:(x+c)(x+d)=x+(c+d)x+cd(a) Prove this identity. You may choose to algebraically manipulate one or both sides of the equation tojustify the...
- Q Find formulas for the entries of M", where n is a positive integer. (Your formulas should not contain complex numbers.)
- Q Let A=| 1 2 and u0= 1 -1-1 1(a) Compute u?, U?, U3, and u, using the...
- Q Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.9x -y + 2z = -253x +9y-z = 58x +...
- Q Jed's online music club allows him to download 25 songs per month for $14.99. Additional songs cost $1.29 each. Which inequality represents this situation? Lett be his monthly spending limit...
- Q Solve the systemx1 -x3 = -4 x2 -x4= 1 x3+ x4 = 1
- Q c. Select the correct choice below and fill in any answer boA. lim f(x) =X-4B. The limit does not exist.
- Q Use Cramer's rule to solve for y without solving for X, Z and w in the system2W + x + y + z = 3-8w-7x-3y + 5z = -3W +...
- Q Solve each equation.(1) 3(6x + 4) = 9(2x) + 12(2) 3(7x+ 2) = 21x(3) 14x + 54 = 11x + 96(4) 7x - 4(x - 3) = 48(5) 15x -...
- Q A normal distribution has mean 60.5 and standard deviation 3.93. Find the data value corresponding to the following value of zz= -0.66The data value corresponding to z=-0.66 is(Round to the...
- Q Let A = 1 -1 2 4Find A^4 by using diagonalization.
- Q Find the derivative of y = (e 2x2sin(x3) + 5) / (e 2x2sin(x3)) + 1
- Q Write the replacements for y = 1/4 ?[6(x-3)] +4 E.G) y -> y - 4 for more information, [6(x-3)] is under the square root. This is for the transformations unit.
- Q You purchase a plot of land worth $54,000 to create a community garden. To do so, you secure a 10-year loan, charging 5.11% APR, compounded monthly, and requiring monthly payments...
- Q Suppose A is a 7x5 matrix. How many pivot columns must A have if its columns are linearly independent? Why?Select the correct answer below.A) The matrix must have ___ pivot...
- Q AlgebraI = a(t)^2 [dx^2 + dy^2 + dz^2] - c^2 dt^2For this metric, compute the Christoffel coefficients.
- Q ? ?If { v1, v2 } is a basis for a vector space V, then the dimension of V is:Select one:A) 0.B) 2.C) 3.D) 1.
- Q In the following, is the subset H a subgroup of the given group G?(a) G = Z6, H = {[0], [2], [4]}(b) G = S4, H = {e, (1 2...
- Q 4. FOOTBALL In a recent NFL season, the Miami Dolphins won 4 games and the Oakland Raiders won 5 games. What is the ratio of wins for the Dolphins to...
- Q What does the right hand side of this equationmean?L (W) ==||Xw-y||2
- Q For each of the following pairs of matrices A, B M?x2(C), explain whether they are similar, unitarily equivalent or neither of the two.
- Q Simplify the matrices. Remember the order ofoperations.[-1-1 + [-5 -1 . [3 6-6 3] -4 2] 1 6]
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