Solve the equation.Let f(x) = 
- 7. Find all x for which f(x) = 9.3.
A. ?
B. {-16.3, 16.3}
C. {-16.3, 2.3}
D. {-2.3, 2.3}
Answer: B
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Referring to the circuit below, the low pass filter has the following characteristic(s):
a. The output voltage is equal to Vin at fCO b. The power output is 50% of max. at fCO c. The output decreases as frequency increases d. The power output is 50% of max. at fCO and the output decreases as frequency increases
Write the number as the product of a real number and i.-
A. -3i
B. -3
C. 3
D. 3i
Find a formula for the nth term of the sequence.The sequence 7, -7, 7, -7, 7, . . . (7's with alternating signs)
A. an = 7(-1)n B. an = 7(-1)2n-1 C. an = 7(-1)2n+1 D. an = 7(-1)n+1
Solve. Remember to insert units when writing your answer.A medication comes in two strengths. Regular strength contains 50 mg of medication. Extra strength contains 0.085 g of medication. How much extra medication is in the extra-strength tablet?
A. 49.915 mg B. 800 mg C. 35 mg D. 41.5 mg