Answer:
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Answer:
b
Step-by-step explanation:
b
Consider the charge for parking one car for t hours.
If t is more than 1, then the function is y=3+2(t-1), because 3 $ are payed for the first hour, then for t-1 of the left hours, we pay 2 $.
If t is one, then the rule y=3+2(t-1) still calculates the charge of 3 $, because substituting t with one in the formula yields 3.
75% is 75/100 or 0.75.
For whatever number of hours t, the charge for the first car is 3+2(t-1) $, and whatever that expression is, the price for the second car and third car will be
0.75 times 3+2(t-1). Thus, the charge for the 3 cars is given by:
3+2(t-1)+0.75[3+2(t-1)]+0.75[3+2(t-1)]=3+2(t-1)+<span>0.75 × 2[3 + 2(t − 1)].
Thus, the function which total parking charge of parking 3 cars for t hours is:
</span><span>f(t) = (3 + 2(t − 1)) + 0.75 × 2(3 + 2(t − 1))
Answer: C</span>
We are given with the volume of 32 cubic meters. The dimension of the box is obtained by taking the cubic root of 32 which is 3.1748 x 3.1748 x 3.1748 meters. When the dimensions are tripled, 9.5244 x 9.5244 x <span>9.5244 meters. The volume is a ) 864 cubic meters. </span>
Answer:
1 y 3
Step-by-step explanation:
1*6=6
1*3=3
2*3=6
1*3=3