For the pair of functions, perform the indicated operation.f(x) = 3x + 8, g(x) = 4x + 6
Find (f ? g)(x).
A. 12x2 + 50x + 48
B. 12x2 + 48
C. 12x2 + 38x + 48
D. 7x2 + 50x + 14
Answer: A
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Simplify the complex number to its rectangular form.5j + 3
A. 5 - 15j B. -10j C. 5 + 15j D. 20j
Solve the problem.Open parallel transmission lines have a characteristic impedance given by 
Write the expression on the right side as the logarithm of a single quantity.
A. log 10 (a/b) B. 252 log 10 (a/b) C. log 10 (a - b)252 D. log 10 (a/b)252
Convert between English and Metric System of Units.
3 ft = 
cm (Round to the nearest tenth.)
A. 91.4 B. 76.2 C. 7.6 D. 118.1
Make the indicated conversion between American and metric units of weight and mass using the given property or properties. Round the answer to two decimal places if necessary.14 kilograms to ounces (1000g = 1 kg, 1 g ? 0.035 oz)
A. 490 B. 0.4 C. 1400 D. 396900