Use point-by-point plotting to sketch the graph of the equation.y = x2 + 4
A. 
B. 
C. 
D. 
Answer: A
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Animal type A and animal Type B compete for the same resources. Suppose there are a animals of type A and b animals of type B. Both a and b are measured in thousands. Then the growth rates of the two types of animals are given by
Growth rate for Type A: 
Growth rate for Type B: 
A: Equilibrium occurs when both growth rates are 0. Find two expressions of ?b in terms of ?a when equilibrium occurs. Round your answers to two decimal places, if necessary.B: Plot the graphs of ?b versus ?a for both the expressions you found in part A. Be sure your graph shows the crossing point.C: How many of each type of animal is present when equilibrium occurs? Round your answers to two decimal places, if necessary.
What will be an ideal response?
Solve the problem.A wheel with radius 3 m rolls at 18 rad/s. How fast is a point on the rim of the wheel rising when the point is 
radians above the horizontal (and rising)? (Round your answer to one decimal place.)
A. 13.5 m/s B. 108.0 m/s C. 54.0 m/s D. 27.0 m/s
Solve the problem.How many posts does it take to support a fence around a square field that measures 135 yards on a side if posts are placed every 15 yards?
A. 10 B. 40 C. 37 D. 36
The function graphed is of the form y = a sin bx or y = a cos bx, where b > 0. Determine the equation of the graph.
A. y = 4 cos (3x)
B. y = 4 cos 
C. y = 4 sin (3x)
D. y = 3 sin 