Write the function in standard form and find the vertex.f(x) = -5x2 - 10x + 4
A. f(x) = -5(x + 1)2 + 9; (-1, 9)
B. f(x) = -5(x + 2)2 - 6; (-2, -6)
C. f(x) = -5(x - 1)2 - 11; (1, -11)
D. f(x) = -5(x - 2)2 - 36; (2, -36)
Answer: A
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Determine the slope and the y-intercept for the linear equation. Use the slope and the y-intercept to sketch the graph of the equation.5x - 9y = 45
A. m = 5, y-intercept: (0, -9)
B. m = - 
, y-intercept: (0, 5)
C. m = 
, y-intercept: (0, 9)
D. m = 
, y-intercept: (0, -5)
Solve the problems.On Anne's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7. If her rear wheel turns 679 times per mile, how many times does she turn the pedal in one mile?
A. 683 times B. 388 times C. 1,188.3 times D. 686 times
Find the derivative.y = 
A. cos (x4) B. sin (x4) C. 8x7 cos (x4) D. cos (x4) - 1
The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.-10 + (-9) + (-13)
A. -32 B. 12 C. 6 D. -14