The temperature inside a certain industrial machine at time t seconds after startup, for 0 < t < 10, is given by h(t) = 4^(2t+1) 4^(t+2) degrees Celsius. How many seconds after startup is the temperature inside the machine equal to 128 degrees Celsius?
(A) 3/2
(B) 2
(C) 5/2
(D) 3
(E) 7/2![]()
(A) 3/2
(B) 2
(C) 5/2
(D) 3
(E) 7/2
