59,606 Answered Questions for the topic Math

Math Calculus

01/18/24

What are the intervals for which the function f(x) = 6cospix is decreasing?
A. [n, n+1], where n is any integer.B. [2n, 2n+1], where n is any integer.C. [n, 2n+1], where n is any integer.D. [n+1, n], where n is any integer.I don't understand how my teacher solved this... more
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Math Calculus

01/18/24

How to Count Critical Points Given the Derivative? (calculator allowed)
Consider the function h(x) whose derivative is given by,h'(x) = (cos2(x)/2x) - (1/12)How many critical points does h(x) have on the open interval (0, 10)?A) 3B) 4C) 5D) 6
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Math Calculus

01/18/24

Struggling on this question, how would I solve this in the most simple way possible?
(No calculator allowed)Find all of the critical numbers for f(x) = 3sinx - 3xcosx.A) x = 2kpi for any integer kB) x = (2k + 1)pi for any integer kC) x = (2k+1)pi/2 for any integer kD) x = kpi for... more
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Math Calculus

01/18/24

How to solve this behavior of log function question?
(No calculator allowed)Which interval correctly represents all values of x where f(x) = ln|x| is increasing?A. (-infinity, -1] U [1, infinity)B. (0, infinity)C. (-infinity, 0) U (0, infinity)D. [1,... more
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Math Calculus

01/18/24

What does the question mean when it says "defined for all real numbers x"?
(No calculator allowed)What are the critical numbers for the function f(x) that is defined for all real numbers x if:f'(x) = (x2-16)/(2x2+7x-15)What does the question mean when it says "defined for... more
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Math

01/18/24

A line passes through the point (-6,3) and has a slope of -3/2 . Write an equation in point-slope form for this line.
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Math

01/18/24

Help with math problem
mr reeves spent 3/8 of his money on a new book, if the book cost $15, how much money did he have at first?
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Math

01/18/24

Find the equation of the line using the point-slope formula. Write the final equation using slope-intercept form. (1,2) with a slope -6/7

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Math

01/18/24

Complete the equation of the line through (2,1) and (5,-8).
balls
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Math

01/18/24

Complete the equation of the line through \[(2,1)\] and \[(5,-8)\].
I NEED HELP
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Math Algebra 1

01/18/24

y≥−3x−7 y, is less than, x, plus, 5 y<x+5
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Math

01/18/24

Find the number that makes the ratio equivalent to 1:4. 9:
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Math

01/17/24

Compare Functions

A line with y-intercept (0, 8) which passes through the point (4, 0) determine if the the following function is decreasing or increasing, and compare the rates of change.
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Math

01/17/24

Compare Functions
A line which passes through the points (-2, 0) and (-3, -1) is this increasing or decreasing? Compare the rates of change also
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Math Chemistry

01/17/24

Chemistry, find the mass, and put in scientific notation word problem.
The density of a certain type of plastic is 0.91 g/cm3. If a sheet of this plastic is 10.0 m long, 1.0 m wide, and 1 cm thick, what is its mass? mass = _____ X 10^_____gEnter your answer in... more
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Math

01/17/24

Compare Functions

Determine if the following functions are increasing or decreasing. A line with y-iintercept (0, 0) which passes through the point (-1, 1)
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Math Chemistry

01/17/24

A student sets up the following equation to convert a measurement.
(The ? stands for a number the student is going to calculate.)Fill in the missing part of this equation.Note: your answer should be in the form of one or more fractions multiplied together.(0.010... more
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01/17/24

X - 3 = 2x - 3 - x, always true or never true
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Math

01/17/24

A plane flying at an altitude of 33,980 feet descends 5148 feet two times before ascending 1761 feet. What is the current altitude of the plane ?
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Math

01/17/24

I need to know 5×5-2+1×2

5×5-2+1×2
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Math

01/17/24

I need to know 5×5-2+1×2

5×5-2+1×2
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Math

01/17/24

I need to know 5×5-2+1×2

5×5-2+1×2
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Math

01/16/24

Sparkling grape juice
How much of each ingredients would you need to make 100 quarts of sparkling grape juice if 1 sparkling grape juice is 1 1/2 quarts of sparkling water and 3/4 quarts of grape juice
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Math

01/16/24

Find the point (x,y) on the line y=−3x−3 that is equidistant from the points (−10,−4) and (3,3).

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Math Calculus

01/15/24

Identify the global extrema of a function
(Calculator allowed)Identify the global extrema of the functionf(x) = -5x4 + 3x3 + 2x2 + x on the interval -1≤ x ≤ 1.A) This function has no global extremaB) Global maximum: x = 1, global minimum:... more
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