Solve and graph. Write the result in interval notation.z + 4 < -3 
A. (-?, -7]
B. [-7, ?)
C. (-?, -7)
D. (-7, ?)
Answer: C
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Convert.0.5 pounds = ounces
A. 10 B. 6 C. 8 D. 12
Determine whether the equation defines y as a function of x.x + y2 = 1
A. y is a function of x B. y is not a function of x
Conrad and Jill have a taxable income of $63,670. They discovered that they are able to receive a $1,500 tax credit for purchasing an energy efficient furnace. How will this tax credit affect their taxes?
A. The tax credit will increase their taxable income by $1,500. B. The tax credit will reduce their taxable income by $1,500. C. The tax credit is added to the tax owed, not the taxable income. D. The tax credit is subtracted from the tax owed, not taxable income.
State whether the vectors are parallel, orthogonal, or neither.v = 2i + j,
w = i - 2j
A. Orthogonal B. Parallel C. Neither