Solve the equation.log 4x = log 5 + log (x + 3)
A. 15
B. -15
C. 
D. 
Answer: B
Mathematics
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Insert the correct sign of inequality (> or <) between the given numbers.-19 
A. -19 < 
B. -19 > 
Mathematics
Provide an appropriate response.A formula for the focal length of a lens isf = 
Calculate f (the focal length) for a = 14 cm and b = 9 cm. Round to the nearest tenth.
A. 7.0 cm B. 8.5 cm C. 4.5 cm D. 5.5 cm
Mathematics
Graph the function.f(x) = 
- 1
A. 
B. 
C. 
D. 
Mathematics
Find the opposite of the polynomial.-25x6 + x5 - 12
A. 25x6 + x5 + 12 B. 25x6 - x5 - 12 C. -12x6 + x5 - 25 D. 25x6 - x5 + 12
Mathematics