Write the expression in the standard form a + bi.(5 + 4i)2
A. 9
B. 9 + 40i
C. 41 + 40i
D. 25 + 40i + 16i2
Answer: B
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
D. 
+ cot x - 
The running speed S, in centimeters per second, for certain ants depends on the temperature T in degrees Celsius. The relationship is
.
?
A: Find a formula that expresses the temperature as a function of the running speed.B: What is the temperature when the running speed is 6.27 centimeters per second?
What will be an ideal response?
Solve the problem.Write an equation for the tangent line to the curve 
at the point 
A. 
+ 
= 1
B. 
+ 
= 
C. 
+ 
= 1
D. 
+ 
= 
Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. l and n B. l, m, n and o C. m and o D. l, m and o