11/17/22

Name any intervals on which the following is increasing or decreasing.
Name any intervals on which f(x)   is increasing or decreasing.*NOTE*Grade 12 Advanced Functions (MHF4U)Please answer clearly and neatly.Thanks
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11/16/22

Math question easy
Describe the end behavior of each polynomial.(a)    y = x3 − 2x2 + 3x − 12End behavior:    y → as x → ∞y → as x → −∞(b)    y = −3x4 + 11x + 100End behavior:    y → as x → ∞y → as x → −∞
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11/15/22

I need help with this geometry question
A circle with a circumference of 75.6 cm is centered at the vertex of an angle. The rays of the angle subtend an arc that is 9.66 cm long. Complete the following statements by entering numbers in... more
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11/14/22

What is the formula to solve this

Brett can plow out all the driveways on his street with his new​ four-wheel-drive truck in 4 hours. Using a snow blade on a lawn​ tractor, his neighbor can plow out the same number of driveways in... more
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11/13/22

Calculus: Tangent
Find where the tangent to the curve y= (1/x) - (1/x2) at the point where x=1, meets the curve again. (By the way, the answer should be (-1, -2) )
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11/12/22

Rates of change
A plane flying horizontally at an altitude of 2 mi and a speed of 440 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when... more
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11/12/22

Implicit Differentiation
Find y'' by implicit differentiation.5x3 + 3y3 = 3
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11/11/22

Please can someone work this out because everytime i do i mess something up.
Caleb went to the grocery store and purchased cans of soup and frozen dinners. Each can of soup has 200 mg of sodium and each frozen dinner has 500 mg of sodium. Caleb purchased a total of 15 cans... more
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11/10/22

differentiable functions

Show that the function g(x) = (√( 8x − 1))^3 is not differentiable at x=1/8 . Do not rely on the graph of g(x).
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11/09/22

Find an equation of the line that is tangent to the graph of f and parallel to the given line.
f(x) =1/√x,____________________ x + 2y − 6 = 0 = -2y = x-6 -2y/2 =-1/2 x+3 (y'=-1/2 SLOPE) I dont know what to do next
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11/08/22

optimization problem

A construction company has adjoined a 4600 ft^2 rectangular enclosure to its office building. Three sides of the enclosure are fenced in. The side of the building adjacent to the enclosure is 460... more
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11/08/22

The number of online buyers in Western Europe grew steadily over the past decade.

The number of online buyers in Western Europe grew steadily over the past decade. The functionP(t) = 28.9 + 14.73 ln t  (1 ≤ t ≤ 7)gives the number of online buyers as a percent of the total... more
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11/07/22

A spotlight on the ground is shining on a wall 16m away
A spotlight on the ground is shining on a wall 16m away. If a woman 2m tall walks from the spotlight toward the building at a speed of 0.6m/s, how fast is the length of her shadow on the building... more
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11/07/22

Interest earned problem
Suppose $23,000 is invested in an account with an APR of 4.9%A.If the interest is compounded annually, how much interest is earned over the first 6 years?B. If the interest is compounded monthly,... more
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11/05/22

Average speed of a vehicle
The average speed of a vehicle on a stretch of Route 134 between 6 A.M. and 10 A.M. on a typical weekday is approximated by the function f(t) = 30t − 60 t + 70    (0 ≤ t ≤ 4) where f (t) is... more
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11/05/22

What dimensions of L and W get you the most area
build a rectangular enclosure made of two rectangular sections side by side up against a wall, with 4 sides that are fenced, and one of the lengths is not because it is a wall. If you have 1000 ft... more
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11/04/22

write an equation of the parabola in intercept form 10 and 6; passes through (11,8)
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11/04/22

The coordinates of the point P(−2, 7) on a terminal arm of an angle θ, in standard position, are given, where 0^0 ≤ θ ≤ 360^0
a) Determine the exact values of sinθ, secθ, and cotθ.b) Determine angle θθ.c) What is the measure of the first negative coterminal angle?
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11/03/22

Below is the graph of the derivative f'(x) of a function defined on the interval (0,8).
Below is the graph of the derivative f'(x) of a function defined on the interval (0,8).(A) For what values of x in (0,8) is f(x) increasing?Answer:Note: Use interval notation to report your... more
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11/03/22

Find the inverse function of f. f(x) = 2 − 6x f −1(x) =

A table of values for a one-to-one function is given. Find the indicated value. x 1 2 3 4 5 6 f(x) 0 2 3 6 4 1 f(f −1(6)) = Find the inverse function of f.f(x) = 6x3 + 5f −1(x) =  Find the... more
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11/02/22

The graph of f ( x ) f ( x ) is given below. Based on this graph determine where the function is discontinuous.
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11/01/22

SPRECALC7 6.2.062.
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway on opposite sides of the plane. The angle of depression to one car... more
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11/01/22

Precalculus Establishing the identity of cotAcotB
Establish the identity(cotA + cotB) / (tanA + tanB) = cotAcotB
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10/31/22

Fill in the missing values below in the table

The table below shows some values of a linear function f and an exponential function g. Fill in exact values (not decimal approximations) for each of the missing... more
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10/31/22

Determine the following...
Determine when *NOTE*Grade 12 Advanced FunctionsPlease answer clearly and neatly. Thanks
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