1) ln(3x^2)=8-----solve for x solve equations exactly for x or t 1) e^x+5 =7*2^x 2) 6000(1/2)^t/15 = 1000 Mar 5 | Vanessa from Nashville, TN | 1 Answer | 0 Votes Mark favorite Subscribe Comment
1) ln ( 3X^2 ) =8 3 X^2 = e^8 X = √( e^8 /3) = 31.5 2 ) 6000 ( 1/2) ^ t/15 = 1000 (1/2) ^ t/15 = 1/6 t/15 ( log 1 - log 2) = log 1 - log 6 t /15 ( - log 2) = - log 6 t/15 = log6/ log2 = 2.585 t = 15 * 2.585 = 38.77 Mar 6 | Parviz F. Comment