Approximate f(x) to four decimal places.f(x) = ex - e-x, x = 3.3
A. 267.0366
B. 27.1495
C. 0
D. 27.0758
Answer: D
Mathematics
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Identify the equation as either an identity or not.
= cot 2x cot x
A. Identity B. Not an identity
Mathematics
Solve.? x = ? y + 17°Find the measure of ? y if ? x = 150°.
A. -133° B. 167° C. 9° D. 133°
Mathematics
Use grouping to factor the polynomial.ax + bx - ay - by
A. (x + y)(a + b) B. (x - y)(a + b) C. (x - y)(a - b) D. (x + y)(a - b)
Mathematics
Solve the inequality.x3 + 3x2 - 28x > 0
A. (-?,-7) or (0, 4) B. (-7, 0) or (4, ?) C. (-7, ?) D. (-4, 0) or (7, ?)
Mathematics