Find the derivative.y = (x + 9)(4x + 4)
A. 0
B. 8x + 40
C. 8x + 76
D. 4
Answer: B
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Find ? for 0° ? ? < 360° that satisfies the stated conditions. Round your answer to the nearest hundredth.tan ? = -1.45, sin ? < 0
A. 259.59° B. 349.59° C. 304.59° D. 303.21°
Provide an appropriate response.A student solved the system of equations x + 2y = 43x + 6y = 12for x in the first equation, and substituted into the second equation. The y's also disappeared in the process. The student claimed that the system of equations has no solution. Is this correct?
Fill in the blank(s) with the appropriate word(s).
Describe what the given ordered pair represents.Let a be the total amount of money spent on advertising (in millions of dollars) by a national retail company at t years since 2000. What does the ordered pair (-4, 3.1) represent?
A. Over the last 4 years $3.1 million was spent on advertising. B. $3.1 million was spent on advertising in 1996. C. Since 1996 $3.1 million has been spent on advertising. D. $3.1 million was spent on advertising in 2004.
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. p-6
B. 
C. p-2
D. p6