Find the truth value of the statement. Assume that p and q are false, and r is true.r ? (~p ? q)
A. True
B. False
Answer: A
Mathematics
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A one-to-one function f is given. Find f-1(x) and graph f(x) with a solid line and f-1(x) with a dotted line on the same axes.f(x) = 3x
A. f-1(x) = - 
B. f-1(x) = - 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Provide an appropriate response.
Find the area of the triangle as shown. Round answer to four significant digits. 
A. 12.58 in2 B. 9.826 in2 C. 6.288 in2 D. 4.913 in2
Mathematics
Write the complex conjugate.-15i
A. 15i B. 15 C. -15 D. -15i
Mathematics
Solve the problem.Mardi received an inheritance of $70,000. She invested part at 4% and deposited the remainder in tax-free bonds at 3%. Her total annual income from the investments was $2500. Find the amount invested at 4%.
A. $67,500 B. $39,000 C. $20,000 D. $40,000
Mathematics