Use a Venn diagram to answer the question.At East Zone University (EZU) there are 784 students taking College Algebra or Calculus. 315 are taking College Algebra, 509 are taking Calculus, and 40 are taking both College Algebra and Calculus. How many are taking Algebra but not Calculus?
A. 744
B. 275
C. 469
D. 235
Answer: B
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Determine whether B is the inverse of A.A = 
, B = 
A. Yes B. No
Solve the problem.A contractor builds two models of homes, the R type and the K type. The R type requires 180 worker-days of labor and $330,000 in capital, while the K type requires 270 worker-days of labor and $220,000 in capital. The contractor has a total of 5400 worker-days and $6,600,000 in capital available per month. Graph the possible combinations of model homes that can be built per month and find the vertices. 
A. 
B. 
C. 
D. 
Write with radicals. Assume that all variables represent positive real numbers.m2/3
A. 
B. 
3
C. 
2
D. 
Solve the problem.A projectile is fired from a cliff 400 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 130 feet per second. The height h of the projectile above the water is given by 
where x is the horizontal distance of the projectile from the base of the cliff. How far from the base of the cliff is the height of the projectile a maximum?
A. 132.03 ft B. 796.09 ft C. 532.03 ft D. 264.06 ft