Evaluate the expression for the given replacement values.
for x = 6, y = 4, z = 2
A. 18
B. 72
C. 142
D. 144
Answer: B
Mathematics
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Solve the problem.The ratio of the lengths of strings that play the notes F and G is 9 to 8. If a string 88 centimeters long plays a G, what is the length of the string that plays an F?
A. 96 cm B. 97 cm C. 99 cm D. 78.2 cm
Mathematics
Answer the question about the given function.Given the function f(x) = -7x2 - 14x + 8, what is the domain of f?
A. all real numbers B. {x|x ?-1} C. {x|x ? -1} D. {x|x ? 1}
Mathematics
Evaluate the exponential expression.8 ? 102
A. 80,000 B. 800 C. 80 D. 8
Mathematics
Find the value of x in the equation.x - 
= 
A. x = 
B. x = 
C. x = 
D. x = 2
Mathematics