Solve.A square plywood platform has a perimeter which is 10 times the length of a side, decreased by 18 feet. Find the length of a side. (P = 4S)
A. Side: 9 ft
B. Side: 6 ft
C. Side: 3 ft
D. Side: 1 ft
Answer: C
Mathematics
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Find the inverse of the function.f(x) = 2x + 7
A. f-1(x) = 
+ 7
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
- 7
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In a low pass filter, Vin = 9 V. What is AV at fCO?
a. 0 dB b. -1 dB c. -3 dB d. -6 dB e. -20 dB
Mathematics
Factor completely.100x2 + 160x + 64
A. 4(25x + 16)2 B. 4(5x + 4)2 C. 4(5x - 4)2 D. 4(5x + 4)(5x - 4)
Mathematics
Use the vertical line test to determine whether the relation is a function.
A. yes B. no
Mathematics