Topic
Q:
7. The equation for a tile pattern is \( y=\frac{2}{3} x+12 \).
Find the total number of tiles for \( f(15) \) of this
pattern.
Q:
A cectain trangülizer decays exponentially in
the bloodstream and has a half-life of 22
hours. How long with it take for the drug
to decuy to \( 82 \% \) of the original dose?
a) step 1: Find \( K \) (Rovad to four decinal pleces)
b) step 2 : Use \( k \) to determine how longlinhouns)
it will take for the drug to decay to \( 82 \% \) of
the original dose. (Round to one decina/place)
Q:
A set of exam scores is normally distributed with a mean \( =74 \) and standard deviation \( =8 \).
\( 95 \% \) of the data values lie between 58
\( \% \) of the exam scores are between 66 and 74 .
\( \% \) of the exam scores are between 74 and 90 .
\( \% \) of the exam scores are between 82 and 90 .
\% oxam scores are greater than or equal to 66 .
Q:
\begin{tabular}{l|l} & The system has no solution. \\ System A \\ \( 4 x+y=4 \) \\ \( 4 x-y=4 \)\end{tabular} \left\lvert\, \( \begin{array}{l}(x, y)=(\square, \square) \\ \text { The system has a unique solution: } \\ \text { The system has infinitely many solutions. } \\ \text { They must satisfy the following equation: } \\ y=\square\end{array}\right. \)
Q:
a. 4 days b. 6 days
If \( 4^{x}-6 \cdot 2^{x+1}+32=0 \), then \( x= \) ?
\( \begin{array}{ll}\text { a. } 3 & \text { b. } 2\end{array} \)
Q:
5. Use what you know about slope and
\( y \)-intercept to graph
\( y=\frac{7}{3} x-4 \)
Q:
\begin{tabular}{c|l} The system has no solution. \\ The system has a unique solution: \\ \( \begin{array}{c}-x-3 y=-6 \\ x+3 y=6\end{array} \) & \( \begin{array}{l}\text { The system has infinitely many solutions. } \\ \text { They must satisfy the following equation: } \\ y=\square\end{array} \)\end{tabular}
Q:
A variable is normally distributed with mean 18 and standard deviation 9 . Use your graphing calculator to
find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as
needed.
a) Find the area to the left of 17.
Q:
1. Determine if the sequence is arithmetic. If it is, find
the common difference and the three terms in the
sequence after the last one given.
\( -28,-22,-16,-10, \ldots \)
Q:
\( \int \frac { 2 x ^ { 3 } - 4 x - 8 } { x ( x - 1 ) ( x ^ { 2 } + 4 ) } d x \)
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