Give the domain of the function.f(x) = 2x2 + 7x - 9
A. (-?, 0) ? (0, ?)
B. (-?, ?)
C. (-?, 0)
D. (0, ?)
Answer: B
Mathematics
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Solve the problem.Let R ={(x, y): 1 ? x < 4, 0 ? y < 9}. Evaluate 
dA, where f is the function 
A. 171 B. 27 C. 9 D. 261
Mathematics
Write the whole number in expanded form.32,501,002
A. 30,000,000 + 200,000 + 50,000 + 1000 + 2 B. 30,000,000 + 2,000,000 + 500,000 + 1000 + 2 C. 32,000,000 + 501,000 + 2 D. 30,000,000 + 2,000,000 +500,000 +100 + 2
Mathematics
Solve the formula for the indicated variable.S = 2?rh + 2?r2
for h
A. h = 2?(S - r)
B. h = S - r
C. h = 
D. h = 
- 1
Mathematics
Any angle inscribed in a semicircle must be a right angle.7 . If two secants intersect outside a circle, the measure of the acute angle formed is half the
Indicate whether the statement is true or false
Mathematics