Perform the indicated operations.(7x - 3y)2
A. 7x2 + 9y2
B. 49x2 - 42xy + 9y2
C. 7x2 - 42xy + 9y2
D. 49x2 + 9y2
Answer: B
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Given a function and how it is to be shifted, find an equation for the shifted function.y = 3x2, up 8, right 7
A. y = 3(x + 7)2 - 8 B. y = 3(x - 8)2 + 7 C. y = 3(x + 7)2 + 8 D. y = 3(x - 7)2 + 8
Write the number in scientific notation.191.744
A. 1.91744 × 10-1 B. 1.91744 × 10-2 C. 1.91744 × 101 D. 1.91744 × 102
State whether the vertex of the function is a maximum or minimum and give the corresponding maximum or minimum value of the function.f(x) = - 9x2 - 144x - 580
A. minimum: 0 B. minimum: 8 C. maximum: -4 D. maximum: 8
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 5604; exact: 5366.75 B. Estimate: 5604; exact: 5376.85 C. Estimate: 5604; exact: 4376.85 D. Estimate: 5604; exact: 5376.75