Use a graphing calculator to make a conjecture as to whether each equation is an identity.cos 2x = 2cos2x - 1
A. Identity
B. Not an Identity
Answer: A
Mathematics
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Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. 
B. 11x4
C. 
D. x4
Mathematics
Simplify the fraction to lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Divide and simplify.
A. 12x - 5
B. 8x + 20x5 + 
C. 8x - 5
D. 8x - 5 + 
Mathematics
Use the graph of the function to find the following: a. the domain and range of the function; b. the intercepts, if any; c. the intervals on which the function is increasing, decreasing, or is constant; d. whether the function is even, odd, or neither.
What will be an ideal response?
Mathematics