141 Answered Questions for the topic Precalc

#### 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)

#### 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.

#### 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...
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#### 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.

#### 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)

#### 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

05/01/20

#### p and q are complex numbers such that p=2/5x+1, q=x+1, and p+q=3x+2. What interval must x fall?

04/29/20

#### The polar equation r=6sin(4∅) graphs as a rose. What is the length of the petals of this rose?

04/29/20

#### √3/2cis(2π/9)*√6/4cis(3π/2)

04/14/20

#### For what values of a and b is the line 4x + y = b tangent to the parabola y = ax^2 when x = 4?

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...
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04/02/20

#### p and q are complex numbers such that |q|=4√5 and |p+q|=9√2. On what interval must |p| fall on?

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