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Author Question: When can direct substitution of a for x be used to find the limit of a function f(x) as x approaches a? (Read 21 times) |
Illicit drug use costs the United States approximately $181 billion every year.
Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.