Algebra
Functions
Algebra
Functions
Algebra
100
3x-4=8x+21
x=?
x=-5
100
The function written as y = -4x+16 is general form of
Slope -4, y-intercept (0, 16)
100
0.05x+0.2x=6-x
x=?
x=4.8
100
If a function is represented in tabular form, then the representation is
Numerical
100
2x−3=5−x
x=?
x=8/3
200
Simplify the expression
x2−10x+21
-8x+21
200
Onto function is also called
Surjective function
200
Simplify the expression
−2x^2+7x+15
-(x-5)(2x+3)
200
One to one function is also called as:
Injective function
200
Simplify the expression
x2+8x−105
10x-105
300
Solve the quadratic equation
x^2+6x−16=0
x1=-8
x2=2
300
For an inverse to exist it is necessary that a function should be ?
Bijection
300
4(2-x)=5(1+3x)-2
x=?
x=5/19
300
If f(x) = -3x - 8, find f(-1).
f(-1) = -5
300
Multiply the indicated polynomials and simplify.
(x −2)(x −2)
x^2-4x+4
400
(x/5)+(3/10x)=8-2x
x=?
x=16/5
400
If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?
f(1) = 2 (1) + 1
400
Multiply the indicated polynomials and simplify
(x+1)(x^2−x+1)
x^3+1
400
Is this a function or not?
Not a function
400
21(x−3)+x=17+3(4−x)
x=?
x=92/25
600
Simplify the expression
(x^2+6x+8)/(x^2+5x+4)
(x+2)/(x+1)
600
When there is no element of set X is mapped to any element, then the relation R in A is
Empty relation and Void relation
600
Simplify the expression
(3)/(x-5)+(x+4)/(x-2)
(x^2+2x-26)/(x^2-7x+10)
600
The period of the function sec (2x+3) is
π
600
Simplify the expression
((x-1)/(x^2+x-12))/((x^2+x-6)/(x^2-4x+3))
(x^2-2x+1)/(x^3+5x^2-2x-24)