06/20/21

A rocket is launched at t=0t=0 seconds. Its height, in meters above sea level, as a function of time is given by h(t)= −4.9t^2+ 247t +395
A rocket is launched at t=0t=0 seconds. Its height, in meters above sea level, as a function of time is given by h(t)= −4.9t^2+ 247t +395 What is the independent variable and its units?  What is... more
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06/20/21

Write the slope intercept form of the linear equation that has a slope of negative on half and a y intercept of 4
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06/20/21

Simply your answers. Type integers or decimals to rounded to the nearest hundredths as needed

A rectangular sandbox is surrounded on all sides by a strip of grass that is 5 feet wide on all sides. The length of the sandbox is 2 feet more than width, and the total area for the sandbox and... more
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06/20/21

Find the area bounded by the two curves and the given pair of lines. y=x² + 3, y= x + 1, x=-1, x=0
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06/20/21

How would I find the exact value of this?
cos(tan-1(-5/12)) I know I would write a triangle but I have no clue where to start. Thank you!
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06/20/21

Find the area bounded by the x=axis below. f(x) above, and the given pair of vertical lines. f(x)= 9-x² , x=0, x=3
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06/20/21

A triangle is bounded by the lines y=0, y=2x and y=-x/2+k, where k is positive. Find the value of k knowing that the area of the triangle is 80
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06/19/21

Find the slope and an equation of the tangent line to the graph of the function f at the specified point.
f(x)= -5/2 x2+8x+8; (-1, -5/2) slope=?(equation) y=?
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06/19/21

Find the values of x for which the following are satisfied. (Enter your answers as comma-separated lists.)
Let f(x) = 2/3x3+x2-12x+1(a) f’(x) = -12 X=? (b) f’(x) = 0 X=? (c) f’(x) = 12 X=?
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06/19/21

Find the Derivative of the function by using the rules of differentiation.
f(x)= 3/x3+6/√x +7f’(x)= ?
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06/19/21

Find the derivative of the function by using the rules of differentiation.
f(x)= 9/x3-3/x2-1/x+150f’(x)= ?
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06/19/21

Cant understand questions below.
Find the equation of a lineA) parallel to the x-axis, passing through (3, -6)B) perpendicular to y = -2/5x+4 , passing through the originC)perpendicular to x= -2, passing through the point (1,... more
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06/19/21

EXPONENTIAL FUNCTIONS TASK
i) Create an exponential function, m(x), that contains the point (5,3). Verify, using any technique that m(x) contains the point (5,3). Then, design an equivalent exponential function to m(x),... more
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06/19/21

Need help writing equation
Write the equation of the line that contains the indicated pair of points. Express the final equation in standard form.x intercept of 3 and y intercept of -15
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06/19/21

The sum of two numbers is 76. One number is 30 more that the other. Find the numbers.
Let x be the smaller number and y be the larger number. Write an equation that represents the fact that the sum of the numbers is 76.[ ]=76 (Simplify your answer.)Write and equation that... more
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06/19/21

consider the function f(x,y)= x2y+1 then find 1) f(1,-3) 2) find the domain and range
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06/19/21

Section 3.5-3.7
The length of a rectangle should be 14 meters longer than 8 times the width. If the length must be between 78 and 166 meters long, what are the restrictions for the width, y?Write the solution set... more
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06/19/21

Did the marketing group make a correct recommendation? 
The Wave Hotel offers luxury suites on Cocoa Beach. It has 200 beachfront suites. At the current price of $300 per night for each suite, it is fully occupied. A recent marketing study indicates... more
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06/19/21

The revenue in dollars, R(x), of producing and selling x Awesome Hearing Aids is modeled by the function  R(x)= x^2 +33x
The revenue in dollars, R(x), of producing and selling x Awesome Hearing Aids is modeled by the function R(x)= x^2 +33xWhat is the independent variable and its units? IncorrecWhat is the dependent... more
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06/19/21

The cost in dollars C(x), where x is the number of miles driven, of renting a car for a day is  C(x)= 1.85x+30
The cost in dollars C(x), where x is the number of miles driven, of renting a car for a day is C(x)= 1.85x+30What is the independent variable and its units?What is the dependent variable and its... more
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06/19/21

It’s a algebra question

One leg of a right triangle is 7 inches more than twice the length of the other leg. The hypotenuse is 8 inches more than the shorter leg. find the lengths of all the sides.
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06/18/21

Mathword problem
a jar contains 47 quarters and pennies. the total value of the coins is $4.55. which system of equations can be used to find p, the number of pennies, and q, the number of quarters
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06/18/21

Express the function notation

Express the rule in function notation. (For example, the rule "square, then subtract 5" is expressed as the function f(x) = x2 − 5.)Add 4, take the square root, then divide by 2.f(x) =  
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06/18/21

Find the rate of change between points A and B. Please make sure to show your work.
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06/18/21

Length of the shortest side of a triangle
A certain triangle has the longest side three times its shortest side. The middle side is five less than the longest side. The perimeter of the triangle is 37 cm. What is the length of the shortest... more
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