Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(-7
)(-10
)
A. 70
B. -17
C. -70x
D. 70y
Answer: D
Mathematics
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Provide an appropriate response.A 7-in. pizza costs $8 and a 14-in. pizza costs $20. Tommy says the smaller pizza is a better buy because the larger pizza is twice as big and more than twice as expensive. Do you agree with his reasoning? If not, explain why not.
What will be an ideal response?
Mathematics
Solve the problem.Use the graph of the function f to find
f(x).
A. 1 B. -? C. ? D. does not exist
Mathematics
Use the given substitution to solve the equation.x4 - 9x2 + 8 = 0, u = x2
A. 1, 2
B. ±1, ±2
C. 8, 9
D. ±1, ±2
Mathematics
Write the radical expression as an exponential expression.
3
A. (5xy)12/5 B. (5x4y)3/5 C. (5x4y)15 D. (5x4y)5/3
Mathematics