Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.7.124 + (-4.006)
round each to the nearest one
A. Estimate: 4; Actual: 3.128
B. Estimate: 3; Actual: 3.218
C. Estimate: 4; Actual: 3.118
D. Estimate: 3; Actual: 3.118
Answer: D
Mathematics
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A. Real, complex B. Complex, pure imaginary, nonreal complex C. Nonreal complex D. Complex
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Insert a decimal point in the product.39.81 × 4.6 = 183126
A. 183,126. B. 18.3126 C. 1831.26 D. 183.126
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Graph the parabola.y = 
x2
A. 
B. 
C. 
D. 
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Sketch the graph of the function and its inverse on the same coordinate axes.f(x) = 3 - x2 for x ? 0 
A. 
B. 
C. 
D. 
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