Show:
Evaluate
Addition
Subtraction
Multiplication
Composite Functions
100
f(x)=5x+17; find f(6).
47
100
Let f(x)=4x-1 and g(x)=2x^2+3. Then f(x)+g(x) equals what?
2x^2 + 4x + 2
100
Let f(x)=4x-1 and g(x)=2x^2+3. Then f(x)-g(x) equals what?
-2x^2 + 4x - 4
100
Let f(x)=4x-1 and g(x)=2x^2+3. Then f(x)*g(x) equals what?
8x^3 - 2x^2 + 12x - 3
100
Let f(x)=3x^2+2 and g(x)=2x. Then (f o g)(x) equals what?
12x^2 + 2
200
g(x)=x^2 -9; find g(-4)
7
200
Let f(x)=-3x+2 and g(x)=5-x. Then f(x)+g(x) equals what?
-4x + 7
200
Let f(x)=4x-1 and g(x)=2x^2+3. Then g(x)-f(x) equals what?
2x^2 - 4x + 4
200
Let f(x)=3x+5 and g(x)=x^2. Then f(x)*g(x) equals what?
3x^3 + 5x^2
200
Let f(x)=3x^2+2 and g(x)=2x. Then (g o f)(x) equals what?
6x^2 + 4
300
h(x)=8x^2 -x; find h(10)
790
300
Let f(x)=3x+5 and g(x)=x^2. Then f(x)+g(x) equals what?
x^2 + 3x + 5
300
Let f(x)=-3x+2 and g(x)=-2x^2+9. Then f(x)-g(x) equals what?
2x^2 - 3x - 7
300
Let f(x)=2x^2+x-3 and g(x)=x-1. Then f(x)*g(x) equals what?
2x^3 - x^2 - 4x +3
300
Let f(x)=3x and g(x)=2x+4. Then (f o g)(x) equals what?
6x+12
400
f(x)=3x^3 -5; find f(0)
-5
400
Let f(x)=3x+5 and g(x)=x^2. Then f(4)+g(4) equals what?
33
400
Let f(x)=3x+5 and g(x)=x^2. Then f(2)-g(2) equals what?
7
400
Let f(x)=x^2-5 and g(x)=3x+2. Then f(x)*g(x) equals what?
3x^3 + 2x - 15x - 10
400
Let f(x)=3x-1 and g(x)=2x+4. Then (g o f)(x) equals what?
6x+2
500
f(x)=4x^2+3; find f(-3)
39
500
Let f(x)=x^2-5 and g(x)=3x+2. Then f(6)+g(6) equals what?
51
500
Let f(x)=2x^2+x-3 and g(x)=x-1. Then f(3)-g(3) equals what?
16
500
Let f(x)=2x^2+4x-3 and g(x)=x-3. Then f(x)*g(x) equals what?
2x^3 - 2x^2 - 15x + 9
500
Let f(x)=3x and g(x)=2x+4. Then (f(g(-5)) equals what?
-18