Factor and simplify the expression.tan4x - sec4x
A. sec2x
B. sec2x + tan2x
C. -2 tan2x - 1
D. tan 2 - sec2x
Answer: C
Mathematics
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Subtract.(7x6 + 3x4 - 10) - (7x4 + 5x6 - 15)
A. 3x10 B. 2x6 - 4x4 + 5 C. 2x6 + 8x4 - 25 D. 2x6 - 4x4 - 25
Mathematics
Use the five-step strategy for solving word problems to find the number or numbers described in the following exercise.When four times a number is added to 8 times the number, the result is 60. What is the number?
A. 0.6 B. -7.5 C. 7.5 D. 5
Mathematics
Use the product rule to simplify the expression.3-4 ? 39
A. 936 B. 95 C. 35 D. 3-36
Mathematics
Graph the inequality.x - y ? -2
A. 
B. 
C. 
D. 
Mathematics