141 Answered Questions for the topic Precalc

Precalc Geometry Algebra

10/14/20

#### Write the slope-intercept equation (y = mx + b) for a line with the given characteristics. 1) m = -4, passing through (1, -2)

Write the slope-intercept equation (y = mx + b) for a line with the given characteristics.﻿1) m = -4, passing through (1, -2)
Precalc Calculus Algebra

10/11/20

#### Given that f is a quadratic function with minimum f(x)=f(6)=1​, find the​ axis, vertex, range and​ x-intercepts.

Given that f is a quadratic function with minimum f(x)=f(6)=1​, find the​ axis, vertex, range and​ x-intercepts.
Precalc Calculus Calc

10/10/20

#### A person wishes to have $21,900 cash for a new car 3 years from now. How much should be placed in an account​ now, if the account pays 4.9% annual interest​ rate, compounded​ weekly? A person wishes to have$21,900 cash for a new car 3 years from now. How much should be placed in an account​ now, if the account pays 4.9% annual interest​ rate, compounded​ weekly?$______ (round... more Precalc Calculus Calc 10/10/20 #### Find the value of an investment of$20,000 for 11 years at an annual interest rate of 3.15% compounded continuously.

Find the value of an investment of \$20,000 for 11 years at an annual interest rate of 3.15% compounded continuously.
Precalc Calculus Calc

10/08/20

#### For the polynomial function find the following: (i) Degree of the polynomial; (ii) All x intercepts; (iii) The y intercept.

For the polynomial function find the following: (i) Degree of the polynomial; (ii)All x intercepts; (iii) The y intercept.2) y = (x + 10)(x + 6)(x + 6)
Precalc Math Calculus

05/28/20

#### Find sin ( u 2 ) if csc u = 11.008 and u is in Quadrant-I (assume that 0 < u < 2 π ).

if someone could show the process of how to get the answer for this
Precalc Math Precalculus

04/29/20

#### √3/2cis(2π/9)*√6/4cis(3π/2)

Precalc Math Precalculus

04/06/20

#### Jack wants to build a tree house.

His parents worry that he is building it too high. If Jack’s dad is looking at the tree house location from a 39° angle and then moves back 10 feet so he can see it at a 31° anglehow high is the... more
Precalc Math Trig

04/02/20

#### tanxsecx-3tanx=0

Solve equation on the interval [0𝜋, 2𝜋)
Precalc Math Precalculus

04/01/20

#### sin2x/1-sin^x = 2tanx

prove the identity above
Precalc Math Precalculus

04/01/20

#### sin^2 x(1+cot^2 x)=1

prove the identity above
Precalc Math Precalculus

04/01/20

#### cos3x+cos5x/cos3x-cos5x = cotxcot4x

prove the identity above
Precalc Math Precalculus

04/01/20

#### cos(x+pi/2)=-sinx

to prove the identity above

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