Relations, Functions& graphs
f(4) if f(x) = 5x - 10
10
Solve algebraically
2y= -4x
y=-x-2
2, -4
symetric to origin?
y = -2x
yes
the ___ can be used to solve any quadratic equation
quadratic formula
What is an angle of elevation?
the angle between a horizontal line and the line of sight.
find {f + g}[x] for f(x)= x^2 + 4x
g(x) = x-2
x^2+5x-2
the ___ of {-1,4} is -5
{ 2 -3}
deternimant
relation between x^4 and x^4+5
vertical shift up 5 units
-199
Change 57.15 to degrees minutes and seconds
57'9
what is the slope of y=3x +6
3
determinant of [8 -4]
[-6 3]
0
What is the end behavior of y=1-x^3
as x goes to - inf y goes and positive infinity
as x goes to +inf y goes and negative infinity
rational positive zeros 3x^4-9x^3++4x-6
3 or 1
what is sine of a triangle(3,3)
square root 2
_______________
2
what is the eq. for slope = 2 and y-intercept= -3
y=2x-3
Multiply matrices A and B.
A = 234 1567-18-2910, B = 11-4-3 34506-1
31285
2652167416
-34510441
end behavior of y = x^8 +9x+8
as x goes to - inf y goes and positive infinity
as x goes to +inf y goes and positive infinity
How many negative real zeros are there for 3x^4 -9x^3 + 4x - 6?
one
What is the coterminal angle of 860?
140 degrees
What is standard form of the eq. y=x+1 (1,1)
y=4x-4
inverse of [3 8]
[-1 5]
1/23[5 -8]
[1 3]
what is x=3 for x^3-6x^2+9x?
Maximum
Which consecutive integers are between y = x^3 + 4x^2 + X - 2
-1 and between -4 and -3 and between 1 and 0
a= 26.4