Solve the inequality. Graph the solution set and write the solution set in set-builder notation.x2 - 3x - 4 ? 0
A. {x 
B. {x 
C. {x 
D. {x 
Answer: D
Mathematics
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The mass of part of a wire is 
kilograms, where x is measured in meters from one end of the wire. Find the linear density of the wire when x = 36 m.
a. 6 kg/m b. 4 kg/m c. 9 kg/m d.1.5 kg/m e. None of these
Mathematics
Determine whether the equation represents direct, inverse, joint, or combined variation.y = 4x2
A. Joint B. Direct C. Inverse D. Combined
Mathematics
Multiply.(8 - 7i)(3 + 8i)
A. 80 - 43i B. -56i2 + 43i + 24 C. -32 - 85i D. 80 + 43i
Mathematics
Provide an appropriate response.Let A = 
and let B = 
.Does the matrix A + B have an inverse?
A. Yes B. No
Mathematics