Basic functions - math problems
Number of problems found: 2416
- Functions f,g
Find g(1) if g(x) = 3x - x2 Find f(5) if f(x) = x + 1/2
- Expressions 3
If k(x+6)= 4x2 + 20, what is k(10)=?
- Domains of functions
F(x)=x2-7x and g(x)=5-x2 Domain of (fg)(x) is. .. . . Domain of (f/g)(x). ..
- Value of expression
X=2, y=-5 and z=3 what is the value of x-2y?
What is the vertical asymptote of ?
- Reciprocal value
How do I calculate a number x that is 9 greater than its reciprocal (1/x)?
- Ascend vs. descent
Which function is growing? a) y = 2-x b) y = 20 c) y = (x + 2). (-5) d) y = x-2
- Function 3
Function f(x)=a(x-r)(x-s) the graph of the function has x- intercept at (-4, 0) and (2, 0) and passes through the point (-2,-8). Find constant a, r, s.
Find the intersections of the function plot with coordinate axes: f (x): y = x + 3/5
- Sequence - 5 members
Write first five members of the sequence ?
- Quadratic function 2
Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
Write a formula that converts x days to y minutes. The formula is:
For linear function f(x) = ax + b is f(14)=179; f(15)=154. Calculate m, if f(m) = 2019 .
If you know that cos(γ) = sin (806°), what is the angle γ?
- Roots and coefficient
In the equation 2x ^ 2 + bx-9 = 0 is one root x1 = -3/2. Determine the second root and the coefficient b.
- Minimum of sum
Find a positive number that the sum of the number and its inverted value was minimal.
Exists a function whose derivation is the same function?
- Equation - inverse
Solve for x: 7: x = 14: 1000
- Symmetry by plane
Determine the coordinates of a image of point A (3, -4, -6) at a symmetry that is determined by the plane x-y-4z-13 = 0
- Quadratic function
It is given a quadratic function y = -4x2+5x+c with unknown coefficient c. Determine the smallest integer c for which the graph of f intersects the x-axis at two different points.