2,195 Answered Questions for the topic Pre Calculus

Pre Calculus

04/08/22

Pre Calc Question
A bacteria has a doubling period of 10 days. If there are 2550 bacteria present now, how many will there be in 24 days? First we must find the daily growth rate (Round this to four decimal... more
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Pre Calculus Math Algebra 1 Algebra

03/22/22

Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express P in the form P(x) = D(x) · Q(x) + R(x). P(x) = −x3 − 3x + 5, D(x) = x + 1
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Pre Calculus Calculus

03/10/22

find the derivative of the following function
𝑓(𝑥) = [(x2 − 9) √𝑥 + 2]2 show solution
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Pre Calculus Math Calculus

03/10/22

Helppppppppp !!!!!!!!!!!!
Find the equation of the tangent line to the function 𝑓(𝑥)=4√x−6 at the point (16,10). Provide your answer in slope–intercept form of a linear equation, 𝑦=𝑚𝑥+𝑏, where 𝑚 is the slope and 𝑏 is the 𝑦-... more
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Pre Calculus Math Precalculus

03/09/22

Please Help....
Find the difference quotient 𝑓(𝑥)−𝑓(3)/𝑥−3 when 𝑓(𝑥)=1+5𝑥−5𝑥^2. Simplify the expression fully as if you were going to compute the limit as 𝑥→3. In particular, cancel common factors of 𝑥−3 ... more
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Pre Calculus Precalculus Pre Calculus

03/09/22

Determine analytically if the following functions are even, odd, or neither. Circle your choice for each and show the work/reasoning that led to your conclusion.
Determine analytically if the following functions are even, odd, or neither. Circle your choice for each and show the work/reasoning that led to your conclusion.a. f(x)=√(x+10)b. g(x)= 3√(x^4) -... more
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Pre Calculus Precalculus Pre Calculus

03/09/22

Graph the piecewise function 𝑓(x) = { 4 if x<1, |x-2| if -1≤x<3, { 2x-5 if x≥3
Graph the piecewise function 𝑓(x) = { 4 if x<1 { |x-2| if -1≤x<3 { 2x-5 ... more
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Pre Calculus Precalculus Pre Calculus

03/09/22

Find the average rate of change for the function f(x) = −x^2 + 4x −1 over the given interval. Simplify answers completely.
Find the average rate of change for the function f(x) = −x^2 + 4x −1 over the given interval. Simplify answers completely.[𝑥, 𝑥 + ℎ]Please help me find the average rate of change
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Pre Calculus Math Science Algebra 1

03/08/22

Pam has 2 more than ⅓ as many baseball cards as Fred. Pam has 96 cards. How many cards does Fred have?
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02/28/22

Can someone answer part B?

A quadratic equation is given. f(x) =1+x−2 x2 (just the two is under the square root) (a) Use a graphing device to find the maximum or minimum value of the quadratic function f, correct to two... more
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02/28/22

Algebra in a calculus class (test tomorrow)
A band is playing their first gig. They print flyers for a $50 flat fee and $.10 per copy.A) set up a cost equation to represent the cost for printing x flyers (y=.10x+50, right?)B) what is the... more
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Pre Calculus Precalculus Trigonometry

02/27/22

Take a good look around you, cite some real-life examples/models that would represent any of the six graphs of the different circular functions.
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Pre Calculus

02/24/22

i need help for this question
Solve 7sin(π4x)=4 for the four smallest positive solutions.
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Pre Calculus

02/24/22

can someone help me find the answer for this one
If cos(x)=35 (in Quadrant-I), findsin(2x)=
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Pre Calculus

02/19/22

How far from the house should you place the base of the ladder?
The proper angle for a ladder is about 75° from the ground. Suppose you have a 8 foot ladder.
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Pre Calculus

02/17/22

pre calculus question functions
The function h(x)=1x−3h(x)=1x-3 can be expressed in the form f(g(x))f(g(x)), where g(x)=(x−3)g(x)=(x-3), and f(x)f(x) is defined as: f(x)f(x) = 
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Pre Calculus

02/16/22

Identify the relative maximum value of g(x) for the function shown below g(x)=7/x^2+5
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Pre Calculus

02/16/22

Below is the graph of a function y=g(x): Carefully sketch the graph y=g(×+2)-1
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Pre Calculus

02/15/22

slope intercept equation

the graph of f passes through (-6,9) and is perpendicular to the line that has an xintercept of 6 and y intercept of -18the equation of the function is ???
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Pre Calculus

02/14/22

if a beaker of acid has a pH of 4.1, calculate the hydrogen concentration of the acid
if a beaker of acid has a pH of 4.1, calculate the hydrogen concentration of the acid
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Pre Calculus Precalculus Trigonometry

02/02/22

Pre Calculus trigonometry

What is the central angle measure (inradians) if the area of a sector is 1200m², and the radius is 20m? 
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Pre Calculus Precalculus Trigonometry

02/02/22

2 Sine Trigonometry Problems Please Solve
Solve 4sinx+2=0 for 0≤x≤360ºSolve −2sin(1/4x)+4=4 for 0≤x≤2π
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Pre Calculus Trigonometry

02/01/22

Trigonometry help
Angle  lies in quadrant II and . Find the exact values of the other two trigonometric ratios.
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Pre Calculus

02/01/22

Help with pre calc
Jing borrowed $22 000 for a second-hand vehicle. She pays $450 per month for 6 years on a monthly basis. What is the monthly compound interest rate on this loan?
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Pre Calculus

02/01/22

The sum of one-fifth of an integer squared and one-third of the same integer squared is 96/5. Find the integer.
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