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$$3000$ is deposited into an account earning $2%$ compounded semiannually. How long will it take for the amount to double? years Round answer to the nearest whole number. Do not write the units. Question 2 1 pts A worker deposits $$500$ at the beginning of each quarter into an account that earns $5%$ compounded quarterly. The total interest earned at the end of 30 years is q Round answer to the nearest whole number. No comma or space. Do not write the $$$ sign.
Dennis wants to buy a $$370,000$ house with a $20%$ down payment. He is looking at a 20-year mortgage at $2.85%$. The monthly mortgage payment is $$$ Round answer to the nearest ten. No comma. No decimal. No $$$ sign. Question 4 Solve $g_{3}(2?x)=3$ Give answer as a number. No variable.
After five days, a 5-gram sample of a radioactive substance decreases to 3.242 grams. The amount remaining after 15 days is grams. Round answer to three decimal places. Do not write 0.123 as .123. No units. Question 6 1 If $g_{a}x=0.63,g_{a}y=1.46$, and $g_{a}z=1.77$, $g_{a}(z_{3}xy_{2}?)=$
$MaximizeZ=3x+2ysubject to2x+y?100x+y?80x?40x?0,y?0?$ The maximum value is
Solve $x+z+2wy?2zx+2y?z2x+y+3z?2w?=6=?3=?2=0?$
A revenue function is given by $R(x)=?80x_{2}+56000x$. The maximum revenue is q No commas, No spaces. Do not write the \& sign. Question 10 If $f(x)=3x+2$ and $g(x)=?x_{2}$ $(fg?)(?2)?(f?g)(?1)=$

Principal P=$3,000 , Rate of interest (r)=2 %=2100=0.02 compounded semiannually Let amount will double after t years.