Functions - math word problems - page 11 of 13
Number of problems found: 252
- Finding x for Profit
P (x) = 15x- (5x + 10,000) specify x so that P (x) = 0 - Functions f,g Find g(1) if g(x) = 3x - x² Find f(5) if f(x) = x + 1/2
- Parcel 4
Send a parcel by messenger within city limits costs 60 cents for the first pound and 48 cents for each additional pound. What is the cost, in cents, of sending a parcel weighing p=4 pounds? - Linear function
What is the equation of linear function passing through points: a) A (0,3), B (3,0) b) C (-2,-6), D (3,4) - Function intersection Determine the intersection of functions. a) y = 2x + 3, y = -x + 4 b) y = 3x + 7, y = -2x-3
- Distribution function
A continuous random variable X is specified: distribution function, specify the parameters a; b so that the function F (x) is continuous and was the distribution function of the random variable X and express f(x). P (X - Right triangle trigonometrics
Calculate the size of the remaining sides and angles of a right triangle ABC if it is given: b = 10 cm; c = 20 cm; angle alpha = 60°, and the angle beta = 30° (use the Pythagorean theorem and functions sine, cosine, tangent, cotangent) - Trucks
Three lorries droved bricks. One drove n bricks at once, the second m fewer bricks than the first and the third 300 bricks more than the first lorry. The first lorry went four times a day. The largest went three times a day, and the smallest lorry five ti - Express
Express the equation of the function: a/prices of cucumbers for the number of cucumbers sold, if one cucumber costs CZK 5 b/the area of the rectangle on side b, if side a measures 5 cm c/the perimeter of the rectangle on side b, if side a measures 5 cm d/ - Function domains
Specify function domains: a / y = 2x-1 b / y = 5x / (2x + 1) c / y = x² / (x²-9) - Graphic solution Solve the system by the graphical method: x + y = 8 2x-y = 1
- Expression evaluation Evaluate the expression 9-4x for x = 0, -2.3 / 4, 2.4, 5
- Minimum of sum
Find a positive number that the sum of the number and its inverted value was minimal. - Hotel capacity
The hotel's capacity is, in total, 30 quiet rooms. Double rooms are x. The rest are triples. Express in terms of the maximum number of guests. - The inverse
The inverse matrix for matrix A has a determinant value of 0.333. What value is a determinant of matrix A? - Fifth Derivative of Polynomial
Calculate the value of the fifth derivative of this function: f (x) = 3x² + 2x + 4 - Derivative of Linear Function
What is the value of the derivative of this function: f (x) = 12x - Derivative of Constant Function
Determine the value of the derivative of the function f (x) = 10 - Similarity coefficient
Determine the similarity coefficient: a) 4.8; 5.6; 8.4 b) 1.44; 1.68; 2.52 - Parametric equation
Find the parametric equation of a line with y-intercept (0,-4) and a slope of -2.
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