Solve the system of equations using the substitution method.
A. (7, 3)
B. (-7, 4)
C. (6, 4)
D. (6, 3)
Answer: A
Mathematics
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Determine whether the function is a one-to-one function.
A. not one-to-one B. one-to-one
Mathematics
Perform the indicated operations and write the result in standard form.(3 + 
) (5 + 
)
A. (15 - 
)+ (3
+ 5 
)i
B. 9 - 8
i
C. 21 + 48i
D. (15 + 
)- 21i
Mathematics
Determine whether the equation is linear or nonlinear.
x + 4 = 0
A. linear B. nonlinear
Mathematics
Use a calculator to evaluate the given trigonometric function. Round the answer to three decimal places as needed.
A) 1.732 B) 3.732 C) Infinity D) 0.577 E) 1.000
Mathematics