Let x be a number. Translate the English phrase or sentence into a mathematical expression. Four divided by a number
A. x ÷ (-4)
B. 4 - x
C. 4 ÷ x
D. -4x
Answer: C
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Find an equation for the tangent to the curve at the given point.y = x - x2, (-4, -20)
A. y = -9x + 16 B. y = 9x + 16 C. y = -7x + 16 D. y = -7x - 16
Decide if the given value of x is a critical number for f, and if so, decide whether the point is a relative minimum, relative maximum, or neither.f(x) = (x + 7)4; x = -7
A. Critical number; relative maximum at (-7, 0) B. Critical number; relative minimum at (-7, 0) C. Critical number but not an extreme point D. Not a critical number
An equation of the terminal side of an angle ? in standard position is given along with a restriction on x. Find the indicated trigonometric function value of ?. Do not use a calculator.
, x ? 0; Find tan ?.
A. 
B. 
C. 
D. 3
Solve.Fill in the missing digits in the problem.
A. 1, 2 B. 8, 6 C. 4, 3 D. cannot be determined