Functions - math word problems - page 10 of 13
Number of problems found: 247
- Domains of functions
F(x)=x²-7x and g(x)=5-x² The domain of (fg)(x) is. ... The domain of (f/g)(x). .. - Imagine
Imagine that a unit of air at a temperature of 25°C rises a mountain range 3,000 meters high on the windward side and descends to 1,200 meters on the leeward side, assuming that the air will remain dry. What will its temperature be when it crosses the top - Garden dimension dependence
How does one dimension of a rectangular garden depend on another if the garden has an area of 500 m²? - Air thermal
Imagine that a unit of air rises 3000 meters high. If the temperature decreases 6 degrees Celcius for every 1000 meters, what will be its temperature at 1400 meters, 2000 meters, 2500 meters, and when it reaches the 3000-meter elevation? The starting temp - Trigonometric formula
Determine the value of the function tg x (tangent) when cotan x = -0.8 (cotg or cotangent); x holds in the second quadrant) - Expressions 3
If k(x+6)= 4x² + 20, what is k(10)=? - Is right-angled
Can a triangle with the sides of sqrt 3, sqrt 5, and sqrt 8 (√3, √5, and √8) be a right triangle? - Intersections
Find the intersections of the function plot with coordinate axes: f (x): y = x + 3/5 - Number ratio
Images of three numbers are marked on the number line: 0, m, 3m-1. The marked pieces are the same length. a) express the ratio m:(3m-1) b) mark and describe the image of the number 1 on the number line. - Function value calculation
1) The function f is given: y = I 2-x I + 2. Determine the values of the function in points, i.e., f(-2), f (0), f (1), f (4,8). - Taxi
A taxi ride costs $3 plus $2.50 per mile. Write and graph an equation using two variables representing the total cost of the taxi ride. - Inverse matrix columns
Find how many columns will contain the inverse matrix to matrix C if matrix C contains nine elements. - Logical number sequence
The numbers are arranged according to a specific logical order. What number should be in the blank a, b? 3, 7, 15, a, 63, 127, b - Sequence Third Term Value
Find the value of the third member of the sequence if the sequence is given by: 3^n + 93. - Number line arrangement
On the straight line representing the number axis, tie together the various points corresponding to the numbers a, 2a, 3a+1 in all possible orders. For each option, decide whether such an arrangement is possible. If yes, give a specific example; if not, e - 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
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