Use the graph of f to evaluate each expression.f(4), f(1)
A. 0, 3
B. 2, 2
C. -1, 2
D. -1, -1
Answer: C
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For a certain epidemic the number N of new cases expected in a day depends on the number t of days since the outbreak began. The relationship is
.
?
What is the greatest number of new cases that occur on a day, and on what day does that happen? Round both answers to the nearest whole number.
A. A maximum of 41 new cases occurs on day 24. B. A maximum of 21 new cases occurs on day 38. C. A maximum of 24 new cases occurs on day 41. D. A maximum of 38 new cases occurs on day 21.
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
What number should be added to complete the square of the expression?x2 - x
A. 
B. 4
C. 
D. 1
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