What value of k makes the following function continuous?
f(x) =
sin(-6x)/(9x). x is less than 0
3x-9k-6. x is greater than or equal to 0
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11/21/17
Use an addition or subtraction formula to find the exact value of
sin(165°)=√A((√B)-1)/4
A=
B=
11/19/17
The velocity function (in meters per second) for a certain particle, moving in a straight line, is v(t)=t^2-2t-8
The velocity function (in meters per second) for a certain particle, moving in a straight line, is v(t)=t^2-2t-8 for 1≤t≤6
A) Find the displacement of the particle over this period
B) Find...
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Kate leaves town P and cycles towards town Q which is 100 km away, at the speed of 5 metres/ second. Thirty minutes later, Ben leaves town Q and travels towards
Kate leaves town P and cycles towards town Q which is 100 km away, at the speed of 5 metres/ second. Thirty minutes later, Ben leaves town Q and travels towards town P at 9 metres/second. a. How...
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11/16/17
Under what conditions does P(B|A)=P(A|B)
This is finite math. She said it’s a word answer.
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11/16/17
u1=3 and the sequence is defined by un+1=2-4/un, find u61
u1=3 and sequence is defined by un+1=2-4/un Find u61
11/16/17
1. Find the coordinates of P so that P partitions AB in the ratio 1:6 with A(2, 4) and B(8, 10).
1. Find the coordinates of P so that P partitions AB in the ratio 1:6 with A(2, 4) and B(8, 10).
11/16/17
How to write a piecewise function from a story?
a lyft driver charges $5 for the first 2miles of a ride and then $1.20 for each additional mile after that
a student graph f(x)=x and g(x)=f(x)+5 on the same coordinate grid. Write a statement the describes how the graphs of f and g are related?
how do you find the answer.
11/15/17
Solve a trig equation
solve the equation for the solutions over the interval [0 degrees, 360 degrees)
6sec2xtanx=12tanx
I am unsure of where to begin.
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11/15/17
a mouse farm starts with 3 mice, and two months later has 18 mice. Assume the population growth continues exponentially.
Find the function that models the population after t months. Find the population after 9 months. When will the population reach one million mice
11/15/17
Trig functions
cos(3theta)=-1
solve for exact solutions over the interval [0,360 degrees]
I am having trouble finding a place to start.
11/15/17
X + rooty = 7, root x + y = 11. Find x and y
Is this a quadratic equation or simultaneous equation
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Simplify the expression, if possible. All variables represent positive real numbers.
2xy4√x5y3 -9y3 √x7y5 +6x2y5 √x3y
11/12/17
find a polynomial with degree 3 having zeros 3 and 2+i
I need to find the polynomial function for the above question.
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11/11/17
Jim began a 96 mile bike ride.It took 4 hours. If Jim walks at a rate of 4 mph and rides at a rate of 36mph, find the amount of time spent on the bike
Jim's bike chain broke so he finished the trip walking.
11/11/17
Two vectors A and B of magnitude 4cm and 3cm making angle of 30° and 90° respectively with x axis thier scalar product will be
Scalar product of 2 vectors of magnitude 4cm and 3cm making angle of 30° and 90°
f(x) = 3√ x · sin x use the definition of derivative to show f(x) is differentiable at x=0
this question had several parts
1)Why can't we use the product rule to compute f'(0)
My initial thought was that you cannot use the product rule t because sinx and 3√ x both equal 0 at...
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11/10/17
Math calculus derrivative question
The number x of printer cartridges that a store will sell per week and their price p (in dollars) are related by the equation x^2 = 1680 − 5p^2 If the price is falling at the rate of $1 per week,...
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Using interval notation, identify the implied domain of the restricted function f(x)=4(e)^t with image [3,6]. Express each value in exact form.
Express each value in exact form.
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