ActSci Math quiz

 $If\ \log\left(x+1\right)=2\ ,\ then\ x=\$  

• 9

• 100

• 99

• 10

Find the value(s) for x

 $x^2+6x-3=x-9$  

• x=3 and  x=2

• x= -3 and x= 2

• x= -3 and x= -2

• x= 3 and x= -2

 $\left|5-\left(5^2\right)\right|\ =$  

• -20

• 0

• 25

• 20

How many triangles are there?

(a)  

 $\frac{d^2}{dx^2}\left(2x+5\right)^3$  

•  $24\left(2x+5\right)$  

•  $18\left(2x+5\right)$  

•  $12\left(2x+5\right)$  
  

•  $6\left(2x+5\right)$  

<PAQ = ?

(a)  

 $\frac{\text{d}x}{\text{d}y}e^x\ =\ \int_{ }^{ }e^x\ dx$  

• True

• False

If <a = 50, then <b = ?

• 130

• 40

• 50

• 45

 $P\left(A\right)\ =0.4\ \ \ \ \ P\left(A\cup B\right)=0.5\ \ \ \ P\left(A\cap B\right)\ =\ 0.2$  P(B) = ?

• 0.6

• 0.3

• 0.1

• 0.5

 $a^{\frac{b}{c}}\ \ \ =\ \ \ ^b\sqrt{a^c}$  

• True

• False