A bacteria population increases exponentially. At t = 0, its population is 50. At t = 1 hour, its population is 250. At t = 4 hours, what is its population ?
Doğru Cevap!
Yanlış Cevap!
Doğru Cevap: A) 3.125
Among the numbers 7/12, 3/5, 11/15, 14/20, and 23/30 which is the greatest number?
Doğru Cevap: E) 23/30
Doğru Cevap: E) 100
Given that f : R › R , f ( x ) = 7 x - 3 which of the following is f –1 ( x ) ?
Doğru Cevap: B) (x+3)/7
How many different functions can be defined from a set of 5 elements to a set of 9 elements?
Doğru Cevap: B) 9
(35 1/2 / 5 1/2 ) . (700) 1/2 = ?
Doğru Cevap: E) 70
A ? B = (–2, 6) A ? B = (1, 5) A \ B = (-2, 1] Let A = (-2, 5), B = (1, 6) be open intervals. Which of the statements above are correct?
Doğru Cevap: E) I, II and III
What is the inverse of the function f(x)=6x-5 ?
Doğru Cevap: E) (x+5)/6
Given that x is a real number and f is given by the rule f (x) = (2x - 12) 1/2 , which of the following sets is the largest domain of the definition of f ?
Doğru Cevap: D) [6, ∞)
What is the solution set of the inequality 5x+25≥0?
Doğru Cevap: E) [-5, ∞)
Which of the following is a polynomial of degree 3?
Doğru Cevap: C) f(x)=x3+3
Which of the following equations has the solution set (0,2)?
Doğru Cevap: A) x2-2x=0
Evaluate ?
Doğru Cevap: E) -64/27
Given that a < b < c and all a, b, and c are real numbers, which of the following equals to the expression |b - a| + |a - c| ?
Doğru Cevap: B) -2a +b + c
s( A ? B ) = 13 s( A ) + s( B ) – s( A ? B ) = s( A ? B ) s( B \ A ) = 13 s( A \ B ) = 7 For given sets A and B assume that s( A ) = 20, s( B ) = 26 and s( A ? B ) = 33. Which of the statements regarding to the sets A and B are correct?
Doğru Cevap: E) I, II, III and IV
Which of the following is the solution set of x 2 - 8x + 16 = 0?
Doğru Cevap: C) {4}