Solve the equation or inequality graphically. Express solutions or endpoints of intervals rounded to the nearest hundredth, if necessary.
+ 
= 16
A. {-14, 2}
B. {14}
C. {14, -2}
D. ?
Answer: C
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Solve the problem.A building has an entry with the shape of a parabolic arch 78 ft high and 40 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.A = 78 ftB = 40 ft
A. x2 = -5.1y B. y2 = -5.1x C. y2 = -20.5x D. x2 = -20.5y
A cake is placed in a 350-degree oven to bake. The difference 
between the temperature of the oven and the temperature T of the cake is an exponential function of time. All temperatures are measured in degrees.
?
A: The cake is initially at room temperature of 75 degrees. What is the initial value of D?
?
B: The temperature difference decreases by 4% each minute. Find a formula for D after t minutes.
?
C: Find a formula for the temperature T of the cake after t minutes..
?
What will be an ideal response?
Solve the problem.Let D be the region that is bounded below by the cone 
and above by the sphere 
Set up the triple integral for the volume of D in spherical coordinates.
A. 
B. 
C. 
D. 
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 1