Function Operations

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Questions Responses

Addition

Subtraction

Multiplication

Division

Composition

100

$\text{For }f(x)=2x and g(x)=5x$

$\text{Find }(f+g)(x)$

$7x$

100

$\text{For }f(x)=8x and g(x)=2x$

$\text{Find }(f-g)(x)$

$6x$

100

$\text{For }f(x)=7 and g(x)=3x$

$\text{Find }(g\cdot f)(x)$

$21x$

100

$\text{For }f(x)=5 and g(x)=11x$

$\text{Find }(f/{g})(x)$

$\frac{5}{11x}$

100

$\text{For }f(x)=8x+1 and g(x)=5x$

$\text{Find }(f\circ g)(3)$

$121$

200

$\text{For }f(x)=3x+1 and g(x)=5x-2$

$\text{Find }(f+g)(2)$

$15$

200

$\text{For }f(x)=4x+5 and g(x)=x+6$

$\text{Find }(f-g)(3)$

$8$

200

$\text{For }f(x)=5 and g(x)=9x+2$

$\text{Find }(f\cdot g)(x)$

$45x+10$

200

$\text{For }f(x)=8x+3 and g(x)=5x$

$\text{Find }(g/{f})(6)$

$\frac{10}{17}$

200

$\text{For }f(x)=5x+6 and g(x)=3x$

$\text{Find }(f\circ g)(x)$

$15x+6$

300

$\text{For }f(x)=x^2-6x and g(x)=3x+1$

$\text{Find }(g+f)(x)$

$x^2-3x+1$

300

$\text{For }f(x)=x-8 and g(x)=x^2-5x$

$\text{Find }(g-f)(x)$

$x^2-6x+8$

300

$\text{For }f(x)=5x^2 and g(x)=2x-5$

$\text{Find }(f\cdot g)(-4)$

$-1040$

300

$\text{For }f(x)=9x^2-7 and g(x)=5x$

$\text{Find the domain of }(f/{g})(x)$

${RR:x\ne 0}$

300

$\text{For }f(x)=x^2-1 and g(x)=4x+3$

$\text{Find }(g\circ f)(-1)$

$3$

400

$\text{For }f(x)=4x^2+7x and g(x)=-3x^2+5x-8$

$\text{Find }(f+g)(3)$

$37$

400

$\text{For }f(x)=x^3+6x and g(x)=5x^2-1$

$\text{Find }(g-f)(5)$

$-31$

400

$\text{For }f(x)=x^2-2x+1 and g(x)=4x+3$

$\text{Find }(g\cdot f)(x)$

$4x^3-5x^2-2x+3$

400

$\text{For }f(x)=x^2-7x and g(x)=4x-3$

$\text{Find the domain of }(f/{g})(x)$

${RR:x\ne 0,7}$

400

$\text{For }f(x)=7x-2 and g(x)=x^2+5x+2$

$\text{Find }(f\circ g)(-2)$

$-30$

500

$\text{For }f(x)=\sqrt{5x+19} and g(x)=(x-8)^2+3$

$\text{Find }(g+f)(-2)$

$106$

500

$\text{For }f(x)=(x-1)^2 and g(x)=5x^2-3$

$\text{Find }(f-g)(x)$

$-4x^2-2x+4$

500

$\text{For }f(x)=x^3+4x^2-x+10 and g(x)=3x^2-5$

$\text{Find }(f\cdot g)(-1)$

$-28$

500

$\text{For }f(x)=2x^2+8 and g(x)=6x-12$

$\text{Find the domain of }(g/{f})(x)$

$RR$

500

$\text{For }f(x)=x^2+3x+1 and g(x)=3x+7$

$\text{Find }(f\circ g)(x)$

$9x^2+51x+71$