Question 1148543
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Using the two given points in the general form of the equation....<br>
(1) 2 = Ca^0 = C*1 = C; so C=2.  Then<br>
(2) 16 = Ca^3 = 2a^3; so a^3 = 8; a = 2.<br>
ANSWER: C=2; a=2; f(x) = 2(2^x)<br>