Determine the vertex of the graph of f.f(x) = 4x2 - 16x + 19
A. (3, 2)
B. (-2, -3)
C. (2, 3)
D. (-3, -2)
Answer: C
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Solve the problem.The weight W (in ounces) of a fish caught in a certain lake is given by 
where x is the length in inches. Find the approximate value of 
for 
A. 17 oz B. 15 oz C. 13 oz D. 19 oz
Solve the problem.Forensic scientists use the lengths of certain bones to calculate the height of a person. When the femur (f), the bone from the knee to the hip socket is used, the following formula applies for men: 
where h is the height and f is the length of the femur. Find the height of a man with a femur measuring 50 centimeters.
A. 3566.5 cm B. 8.52 cm C. 181.09 cm D. 119.09 cm
If P = I2 ú R and I = 2 mA, R = 470 ê, find P.
a. Ý188 mW b. 1.88 mW c. 18.8 mW d. 188 mW
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(-2x + 1)(-5x - 1)
A. -7x2 - 3x - 3 B. 10x2 - 3x - 3 C. -7x2 - 3x - 1 D. 10x2 - 3x - 1