Solve the number problem by finding the value of the unknown number.If twice a number is increased by 3, the result is 45.
A. 18
B. 26
C. 21
D. 42
Answer: C
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Provide an appropriate response.Find the direction in degrees of a vector in standard position if the coordinates of its end point are (-3, 7). Round to the nearest 0.1°.
A. -113.2° B. 66.8° C. -66.8° D. 113.2°
The graph of a quadratic function is given. Find the standard form of the function
A. f(x) = (x + 2)2 + 2 B. f(x) = -(x + 2)2 + 2 C. f(x) = -(x + 2)2 - 2 D. f(x) = -(x - 2)2 + 2
Solve.An electronics manufacturer's revenue R for selling x mobile phones is given by 
A competing electronics manufacturer's revenue for selling a similar mobile phone is 
Under what circumstances will both manufacturers make the same revenue?
A. They will make the same revenue if they sell 0 or 210 phones. B. They will make the same revenue if they sell 0 or 1050 phones. C. They will make the same revenue if they sell 1050 phones. D. They will never make the same revenue.
Find a polynomial with the given zeros. 7, 7, 3
a. 17x 2 + 91x - 147 b. x 3 + 17x2 - 91x + 147 c. 91x - 17 x 2 + 91x -147 d. x 3 - 17x 2 + 91x - 147 e. none of these