please help answer and just a simple explanation will do if available.

24) Your Math teacher invested P 50 000.00 in a bank that offers 4% interest rate compounded semi- annually. How much money will your teacher have after x years? A. y = 50000*+2 B. y = 4(50000) 2x C. y = 50000(1.04)2x D. y = 50000(1.02) 2x 25) A population of 2000 triples every 15 years. What function will give the population after x years? A. f(x) = 200015x +3 B. f(x) = 3(2000)15 C. f(x) = 2000(3)15x D. f(x) = 2000(3) 15 26) Which of the following is/are NOT exponential equation? i. 2x+1 > 22 + 4 iii. 0.001 = 10x-1 ii. (x - 1)3= 23 iv. 53-x - 10 = 615 A. i and ii only B. i and iii only C. i and iv only D. none of these 27) The number of bacteria in a culture doubles every 3 weeks, when will it be eight times its initial number in days? A. after 15 days B. after 21 days C. after 45 days D. after 63 days 28) Which value of x will make the equation, 2x+1 = 4 , true ? A. x = 1 B. x = 2 C. x =3 D. x = 4 29) What is the first step in solving for x in the exponential inequality2 (5)* > 10 ? A. Multiply 2 by 5 B. Divide both sides by 2 C. Divide both sides by 10 D. Divide both sides by 5