CLEP College Mathematics Practice Questions - 1

1. Simplify the following expression : $8x+3-3x-7$
   
   1. $5x-4$
   2. $5x+4$
   3. $11x-4$
   4. $10x-4$
   5. $-5x-4$
   
   
2. Determine the mean of the numbers : 20, 34, 36, 52, 60.
   
   1. $35$
   2. $40.1$
   3. $40.4$
   4. $40.6$
   5. $50$
   
   
3. What is the rule of $f+g$ if $f(x)=10x+7$ and $g(x)=3x$
   
   1. $30x+7$
   2. $30x+21$
   3. $7x+7$
   4. $10x-7$
   5. $13x+7$
   
   
4. What percent of 30 is 13
   
   
   1. $43.33$
   2. $43$
   3. $80$
   4. $72.3$
   5. $35$
   
   
5. Find the inverse of the function $f(x)=-\frac{9}{5}x+1$
   
   
   1. $b=-\frac{9}{5}a+5$
   2. $a=\frac{9}{5}b-1$
   3. $b=-\frac{9}{5}(a-1)$
   4. $b=-\frac{9}{5}a-\frac{9}{5}$
   5. $a=-\frac{9}{5}b-1$
   
   
6. What is the name give to two angles that add up to 180
   
   
   1. $Complemtary$
   2. $Adjacent$
   3. $straight$
   4. $right$
   5. $supplementary$
   
   
7. Determine the mode of the following numbers : 6,7,7,5,5,5,9
   
   
   1. $5$
   2. $5.5$
   3. $6.29$
   4. $7$
   5. $7.5$
   
   
8. Which of the following expressions is the same as $\frac{a^{-7}b^{2}}{a^{-3}}$
   
   
   1. $\frac{a^{-4}}{b^{2}}$
   2. $\frac{b^{2}}{a^{4}}$
   3. $\frac{b^{2}}{a^{-4}}$
   4. $b^{2}a^{-4}$
   5. $a^{4}b^{2}$
   
   
9. Determine the range of the following set : 5.6, 10.2, 7.3, 9.9, 8.1, 9.7
   
   
   1. $2.9$
   2. $4.3$
   3. $10.2$
   4. $2.1$
   5. $4.6$
10. If $f(x)=x^{5}$ and $g(x)=x^{2}-1$, what is the domain restriction on $f.g$
    
    
    1. $x \leq 11$
    2. $x \neq 1$
    3. $x \geq 1$
    4. There is no restriction
    5. $x\leq 5$