Function Quiz Review

Adding

100

(-4x⁴ + 3) + (8x⁴ + 1)

4x⁴ + 4

200

(-7p⁴ + 7p² ) + (-6p³ -8p² - 7p⁴)

-14p⁴ - 6p³ - p²

300

(3b+b²+b³)+(-2b-3b³+3b²)

-2b³+4b²+b

400

(3k²+7)+(6-3k²)+(-6k²-5)

-6k²+8

500

(-4n²-6n+7)+(7n⁴+3n²+7n)+(-3n-7n²+5n⁴)

12n⁴-8n²-2n+7

Subtracting

100

(7a²+a³)-(-a²+5a³)

-4a³+8a²

200

(2v³+7v) - (-6v³-7v²+7v)

8v³+7v²

300

(7n-4n²-8n⁴)-(6n²+5n⁴+6n)

-13n⁴-10n²+n

400

(3+2x)-(-2x-3)-(-5x-5)

9x+11

500

(3+8r)-(-6+5r⁴)-(-8r³-5-6r²)

-5r⁴+8r³+6r²+8r+14

Multiplying

100

4(3r+5)

12r+20

200

4(2x²+x+5)

8x²+4x+20

300

(7n-6)(n-4)

7n²-34n+24

400

(7b²-8b+4)(7b+4)

49b³-28b²-4b+16

500

(3v²-4v+6)(v²+4v-6)

3v⁴+8v³-28v²+48v-36

Combining Functions

100

g(x)=3x+4 f(x) = 2x-5 Find g(x) + f(x)

5x-1

200

f(t) = t+5 g(t) = t³-3t Find (f-g)(t)

-t³+4t+5

300

g(x) = -2x²+4 h(x) = 2x+1 Find(g*h)(x)

-4x³-2x²+8x+4

400

g(x) = -3x-1 h(x) = 3x³ - 2x Find (g+5h)(x)

15x³-13x-1

500

h(n) = 3n-2 g(n) = n³ + 2n Find h(2)*g(2)

48

Factoring

100

6x²+24x

6x(x+4)

200

n²-15n+50

(n-5)(n-10)

300

2n²-6n+4

2(n-2)(n-1)

400

5b²-19b-4

(5b+1)(b-4)

500

6x²-x-40

(2x+5)(3x-8)