In the vicinity of a bonfire the temperature T in °C at a distance of x meters from the center of the fire was given by  figure 1.png)
. At what range of distances from the fire’s center was the temperature less than 400 °C?
 figure 1.png)
 answer.png)
Mathematics
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Find the LCM and the GCF of 100 and 140.
A. 140, 20 B. 700, 40 C. 700, 20 D. 14,000, 40
Mathematics
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = x2, y = 4 + 3x, for x ? 0
A. 192? B. 96? C. 64? D. 32?
Mathematics
Solve the problem.The cost C, in dollars, of having a dinner party catered by Elaine's Kosher Catering Company can be approximated by the function 
where n is the number of people attending the party. The banquet hall where the dinner will be located can hold no more than 150 people. Find the domain of the function.
A. [7, 55] B. (-?, 150] C. [0, 150] D. (-?, ?)
Mathematics
Graph.y =log7x
A. 
B. 
C. 
D. 
Mathematics