2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Precalculus

08/24/21

solve the logarithmic equation: lnx = -14
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Pre Calculus Precalculus

08/23/21

show that the expression ln16 - ln2 is equivalent to ln8
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Pre Calculus Precalculus

08/23/21

rewrite the expression ln(5/2) in terms of ln(4) and ln(5)
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08/21/21

help with precalculus please
1/ Determine whether the graph is the graph of a function. 2/ Determine the intervals on which the function is increasing, decreasing, and constant. my answer : Increasing on x > - 1; Decreasing... more
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Pre Calculus Math Precalculus Sat Math

08/21/21

need help with precalculus
For each equation, state the parent function and list all transformations.6    .𝑦 = 3|𝑥 + 5| − 7 7  . 𝑦 = -x3/2 + 48   .𝑦 = 5 −√ 2x/39    . 𝑦 = (−4𝑥)2 − 3
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Pre Calculus Math Precalculus Sat Math

08/20/21

Describe the transformation of the graph of f into the graph of g as either a horizontal or vertical stretc
Describe the transformation of the graph of f into the graph of g as either a horizontal or vertical stretch.  and  
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Pre Calculus Math Precalculus Sat Math

08/20/21

help with precalculus
1/ Determine if the function is one-to-one.   i think yes2/ Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x)=4/x and g(x)=4/2
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Pre Calculus

08/20/21

A quadratic function y=f(x)y=f(x) is plotted on a graph and the vertex of the resulting parabola is (4, 3)(4,3). What is the vertex of the function defined as g(x)=f(-x)-5g(x)=f(−x)−5?
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Pre Calculus

08/19/21

Find the equation of standard form of ellipse with specified features
Center (2,1),vertical major axis of length,8 of length 3
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08/17/21

Pre-Cal Plz Help Me and thank you in advance
State whether the following solution sets are from a function or non-function 1.(2,6),(-3,6),(4,9),(2,10)2.(0,-2),(1,3),(2,3),(3,7)3.(-2,4)(-1,1),(0,0),(1,1)4.(-2,4),(-2,6),(0,3)(3,7)
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Pre Calculus Math Precalculus

08/13/21

Pre-Calculus: Compound Interest

How much more would be in an account that has interest compounded continuously rather than annually if the initial deposit is $500 and the yearly interest rate is 7% for 10 years?
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Pre Calculus Math Precalculus Sat Math

08/10/21

need help its urgent
Write the equation for the given parent function and listed transformations.1. x2, right 1, reflect across the x-axis, vertical shrink by 1/32. √𝑥, reflect across the y-axis, vertical shrink by... more
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Pre Calculus Math Precalculus Sat Math

08/10/21

Need help its urgent
Determine the following about each graph: a) is the graph a function? b) is the inverse of the graph a function? c) is the graph a one-to-one function?. . 
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Pre Calculus

08/06/21

Exponential and Logarithmic Models
One earthquake has MMS magnitude 3.3. If a second earthquake has 340 times as much energy (earth movement) as the first, find the magnitude of the second quake.
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Pre Calculus Calculus Precalculus

08/05/21

find the force in newtons
The Deligne Dam on the Cayley River is built so that the wall facing the water is shaped like the region above the curve y = 0.6x^2 and below the line y = 100. (Here, distances are measured in... more
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Pre Calculus Calculus Precalculus

08/05/21

work required to pump the liquid out the bucket
Create a bucket by rotating around the y axis the curve y = 5ln(x−1) from y = 0 to y = 6. If this bucket contains a liquid with density 740 kg/m3 filled to a height of 5 meters, find the work in... more
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08/05/21

find the work needed to empty the trough
A trough is 6 meters long, 3 meters wide, and 1 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 1 meters, and base, on top,... more
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Pre Calculus Calculus Precalculus

08/05/21

find the first few terms of S
The integral: is equal to 3pi.(b) Now, let's evaluate the same integral using a power series. First, find the power series for the function f(x) = 24 / (x^2 + 4). Then, integrate it from 0 to 2,... more
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08/05/21

Find the Work in Joules
A bucket that has a mass of 25 kg when filled with sand needs to be lifted to the top of a 15 meter tall building. You have a rope that has a mass of 0.3 kg/m that must be secured to the bucket. It... more
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08/05/21

Find the amount of work
A trough is 7 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x^10 from x = −1 to x = 1 . The trough is full of water. Find the... more
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Pre Calculus Calculus Precalculus

08/04/21

find the amount of work in foot-pounds
A trough is 5 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x^10 from x = −1 to x = 1 . The trough is full of water. Find the... more
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08/04/21

find the work in joules to pump the liquid out of the bucket
Create a bucket by rotating around the y axis the curve y = 5ln(x−6) from y = 0 to y = 4. If this bucket contains a liquid with density 700 kg/m3 filled to a height of 3 meters, find the work in... more
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08/04/21

please help, finding the kinetic energy of point mass
A point-mass of 5 grams at the end of a massless 20 centimeter long string is rotated at a rate of 2 revolutions per second. Find the kinetic energy in ergs of the point mass.Please show me the... more
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08/04/21

find the kinetic energy in ergs, please help
A 30 cm long metal bar with mass 12 grams is attached to a pivot with a massless string 70 cm long. Find the kinetic energy in ergs of the bar when it is rotated at a rate of 3 revolutions per... more
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Pre Calculus Calculus Precalculus

08/04/21

please help! taylor polynominals
Suppose g is a function which has continuous derivatives, and that g(0) = 13, g'(0) = −11, g''(0) = 6and g'''(0) = 9.1---- What is the Taylor polnomial of degree 2 for g , centered... more
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