Solve the equation symbolically.6 ln 4x = 42
A. x = 
e7
B. x = e7/4
C. x = 
ln 7
D. x = 
e42
Answer: A
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Solve quadratic equation by factoring.x2 - x = 20
A. 4, 5 B. -4, -5 C. -4, 5 D. 1, 20
Complete the identity.(sin x + cos x)2 = ?
A. 1 - cos 2x B. 1 + sin 2x C. sin 2x D. 1 + cos 2x
Reduce the rational expression to lowest terms.
A. 
B. -x
C. 1
D. -1
Solve.Sue wants to plan a meal with 55 grams of fat and 1095 calories. If hot dogs have 13 grams of fat and 145 calories each and if baked beans have 8 grams of fat and 330 calories per half-cup serving, how many hot dogs and servings of beans should she use?
A. 8 hot dogs and 13 half-cup servings of baked beans B. 13 hot dogs and 8 half-cup servings of baked beans C. 3 hot dogs and 2 half-cup servings of baked beans D. 2 hot dogs and 3 half-cup servings of baked beans