Operations with Functions

Operations with Functions

10th - 12th Grade

10 Qs

quiz-placeholder

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Operations with Functions

Operations with Functions

Assessment

Quiz

Mathematics

10th - 12th Grade

Medium

Created by

Michael Galat

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Given f(x)=x1 and g(x)=5x2, find (f+g)(x)Given\ f\left(x\right)=x-1\ and\ g\left(x\right)=5x-2,\ find\ \left(f+g\right)\left(x\right)  

 6x+16x+1  

 6x36x-3  

 5x2+25x^2+2  

 6x26x-2  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Given f(x)=x1 and g(x)=5x2, find (fg)(x)Given\ f\left(x\right)=x-1\ and\ g\left(x\right)=5x-2,\ find\ \left(f-g\right)\left(x\right) 

 4x3-4x-3 

 4x+14x+1 

 4x34x-3 

 4x+1-4x+1 

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Given f(x)=x1 and g(x)=5x2, find (fg)(x)Given\ f\left(x\right)=x-1\ and\ g\left(x\right)=5x-2,\ find\ \left(f\cdot g\right)\left(x\right) 

 5x23x25x^2-3x-2 

 5x27x+25x^2-7x+2 

 5x+25x+2 

 5x2+5x+25x^2+5x+2 

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Given f(x)=x1 and g(x)=5x2, find (fg)(x)Given\ f\left(x\right)=x-1\ and\ g\left(x\right)=5x-2,\ find\ \left(\frac{f}{g}\right)\left(x\right) 

 x15x2, x25\frac{x-1}{5x-2},\ x\ne\frac{2}{5} 

 5x2x1, x1\frac{5x-2}{x-1},\ x\ne1 

 x15x2, x1\frac{x-1}{5x-2},\ x\ne1 

 x15x2, x52\frac{x-1}{5x-2},\ x\ne\frac{-5}{2} 

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Given f(x)=x1 and g(x)=5x2, find (2f+3g)(x)Given\ f\left(x\right)=x-1\ and\ g\left(x\right)=5x-2,\ find\ \left(2f+3g\right)\left(x\right) 

 6x36x-3 

 7x47x-4 

 17x317x-3 

 17x817x-8 

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Given f(x)=x1 and g(x)=5x2, find (f2g)(x)Given\ f\left(x\right)=x-1\ and\ g\left(x\right)=5x-2,\ find\ \left(\frac{f}{2g}\right)\left(x\right) 

 2x210x4, x410\frac{2x-2}{10x-4},\ x\ne\frac{4}{10} 

 10x4x1, x1\frac{10x-4}{x-1},\ x\ne1 

 x110x4, x410\frac{x-1}{10x-4},\ x\ne\frac{4}{10} 

 2x25x2, x52\frac{2x-2}{5x-2},\ x\ne\frac{-5}{2} 

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 If f(x)=x+6, g(x)=2x2+2, and h(x)=4x3, find f[g(4)]If\ f\left(x\right)=x+6,\ g\left(x\right)=2x^2+2,\ and\ h\left(x\right)=4x-3,\ find\ f\left[g\left(4\right)\right]  

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